# B at age 15 years how tall is this type of ornamental

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(b) At age 15 years, how tall is this type of ornamental cherry tree, to the nearest tenth of a foot?Solution:2. (3 pts) Convert to a logarithmic equation: 72401x(no explanation required)4. ______
3. (8 pts) Solve the equation. Checkall proposed solutions. Show work in solving and in checking, and state your final conclusion..212xxSolution:4. (8 pts) (a) log91 =_______ (fill in the blank)(b)) Let x= log6 11296State the exponential form of the equation.(c)Determine the numerical value of , in simplest form. Work optional.Solution:
5. (10 pts)Let f (x) = 2x2– 9 and g(x) = 3+2(a)Find the composite function and simplify the results. Show work.x Solution:(b)Find . Show work.6. (15 pts) Let 231xfxx(a)Find f 1 , the inverse function of f. Show work.Solution:What is the domain of f (x)? What is the domain of the inverse function?
(b) What is f (2) ?
(d)What is f 1(……), where the number in the blank is your answer from part (c)? work/explanation optional
7. (15 pts) Let f(x) = exAnswers can be stated without additional work/explanation.(a) Which describes how the graph of fcan be obtained from the graph of y= ex? Choice: ______A. Shift the graph of y= exto the right by 1 unit and shift upward by 3 units.B. Shift the graph of y= exto the left by 1 unit and shift upward by 3 units.C. Reflect the graph of y= exacross the y-axis and shift upward by 3 unitsD. Reflect the graph of y= exacross the x-axis and shift upward by 3 units.(b) What is the y-intercept? (c) What is the domain of f (d) What is the range of f (e) What is the horizontal asymptote?(f) Which is the graph of f ? ___________+ 3 ??GRAPH A GRAPH BGRAPH C
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