MAT 146
Homework Chapter 9
Due: _
1. It is predicted that for 2004 to 2050, the fastest growing region will be Middle Africa, which
is expected to increase at a population rate of 190 percent. The next fastest growing regions
are expected to be Western Af
7.1 Worksheet
Complete each statement.
1. A function of the form f(x) = ab" is called an exponential function
when b is greater than 1.
2. A function of the form f(x) = ab" is called an exponential function
when b is a number between 0 and 1.
Tell wheth
7-1 Exponential Functions and Logarithms
Algebra 2
exponential function
base
asymptote
exponential growth
exponential decay
Ex 1: Tell whether the function
Shows growth or decay and
Graph the function.
x
3
f ( x) 10
4
y
12
10
8
6
4
2
x
y
12 10 8
6
4
2
2
13.4
Alg 2
Inverses of Trig Functions
inverse sine function
sin 1
inverse cosine function
cos 1
inverse tangent function tan 1
-FUNCTION
sin = a
cos = a
tan = a
INVERSE RELATION
sin 1 a =
cos 1 a =
tan 1 a =
REMINDER: IF YOU WANT ANSWERS IN DEGREES, PU
10-3 center (0,0)
Algebra 2
1. Write the equation for the following ellipses. Give the x and y distances and circle whether the
ellipse is horizontal or vertical. ( Horizontal = x is bigger; Venica/ = y is bigger)
x =___ y = _____ horizontal/vertical