Logarithmic fact sheet

# Logarithmic fact sheet - Function Fact Sheet Name of...

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Unformatted text preview: Function Fact Sheet Name of Function Family: I: ego. High“; The general formula for this type of Describe how to determine if a given formula is this type of function? function (if there is one): The simplest (parent) function of this (1) What other names does this type of Is the domain of this type of function always all real numbers? If not, how do you find the function go by? domain? [03 NO) 55* i~+ arw‘l‘er “nan ZQVO +0 ‘PI‘MJ 'H‘tﬁ Jamaﬁn Other examples of formulas for this type of function: , f(4\\1_"\l031(1l‘l3‘\ may. iogzbo km: 3103 L Lr~4>+7 Z (503121033043H I My.) >‘liALYxl-Z.\ ‘3 3(¥§:l03eC1)= h 9(ch '-‘ l.ln(¥ ~51) Sketch below all the possible shapes that you discover this kind of function can have. Graphs Continued For each listed property indicate whether the graph of this function has that property always, usually, sometimes, or never (describe the exceptions if there are any): Horizontal Asymptote : CIAIways [Usually DSometimes Never Vertical Asymptote: EAlways DUsually 8 Sometimes I] Never lnflection points (changes from curving up to curving down or vice-versa): DAlways DUsually USometimes Niever Upper or Lower bounds on the range of the function: DAlways CI Usually N Sometimes CINever Turns (changes from increasing to decreasing or vice-versa) : D Always DUsually DSometimes SNever Continuous (can be drawn without lifting up your pencil) : SLAiways Cl Usually El Sometimes El Never One-to-one (passes the horizontal line test; has an inverse function) : l3 Always [:1 Usually DSometimes DNever Always increasing OR Always decreasing: 8 Always U Usually El Sometimes [Never Give verbal description of the shape of the graph: Tl Forms CL (virth \i‘ne wt‘th a Vtvtt‘cal Rainy/of! What patterns are there in the outputs of this type of sequence? Check all that apply. First Differences are Constant First Differences are constant for awhile and switch to the negative of the constant value. Second Differences are Constant but First Differences are not. Third Differences are Constant but Second Differences are not. Ratios or Ratios of First Differences are Constant The patterns given above allow you to determine with absolute surety that a data set represents a specific type of function. However, many functions have general patterns in their first differences. if none of the above patterns are true of the function you are filling this sheet out about, describe the general pattern you see in the first differences in the space below. (For instance, "The first differences are small, then large, then small again”) W 0? \M) Aiﬁ‘ﬁvmcte Print an example data set from the function family spreadsheet used earlier, and put it immediately after this sheet. if this type of function has any of the patterns listed above, make sure this is shown on your printout. Real World Applications List the real world applications of this type of function talked about on the Guide Sheet or in the lab. For each application listed, indicate what real world quantity is the input and what real world quantity you get as an output. Be very specific and give as many details of the application and its inputs and outputs as you can. \Quwlwo) WNQ inpu‘i‘v ’i’"j cu‘r‘pu’r — F” F" ' “’5 Rid/Jed ﬁmlt Yaiw‘vng - rot-Rug is We Gui-Fuheovi/(‘qwkt Power ’19 “he “PA Other interesting facts about this type of function: QOU'N II II II II Ratios ——_ _———— ——— ——_ 42-2877 -1 -5.64386 1 -3.643 I I —I -1: 0.35614 ll AM A 1.169925001 1.389975 0.830074999 1.1990623 0.64385619 1.1287712 6.169925 0.526068812 1.0932109 6.61471 0.444784843 1.0720892 7 0.385290156 1.0582475 7 7.33985 0.339850003 1.04855 7.643856 0.304006187 1.0414186 7.918863 0.275007047 1.0359775 10 8.169925 0.251061764 1.0317043 8.400879 0230954435 -0.0201073291.0282689 4.16992 5.643856 , , 12 8.61471 0.2.1.3.830408. , ~0.01?124027.,.1.0254.53,3, , Logarithmic Functions 10 -10 -5 ...
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## This note was uploaded on 02/02/2012 for the course MATHEMATIC FDMAT110 taught by Professor Kennely during the Spring '10 term at BYU - ID.

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Logarithmic fact sheet - Function Fact Sheet Name of...

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