Linear Functions
Exponential Functions
Operations on Functions
Compositions of Functions
Review
100
W(x)=x-3 W(1)
-2
100
f(x)=2^(-x) Find f(2)
1/4 or .25
100
g(x)=3x-1 h(x)=4x-5 Find (g+h)(x)
7x-6
100
f(n)=n-2 g(n)=-n+3 Find f(g(2))
-1
100
write in slope-intercept form slope=3/2 y-intercept=-2
y=3/2x-2
200
g(n)=2n+4 g(-3)
-2
200
g(x)=3^x Find g(0)
1
200
f(x)=3x-3 g(x)=4x-1 Find (g-f)(x)
x+2
200
g(x)=4x+5 h(x)=2x+1 Find (g(h(1))
17
200
What is the domain of y=2x+5
all real numbers
300
f(x)=3x-44 Find f(10)
-14
300
h(x)=3^(2x) +2 Find h(1)
11
300
f(x)=-4x g(x)=3x-2 Find (f/g)
-4x/(3x-2)
300
f(n)=-4n-2 g(n)=-4n+3 Find f(g(-2))
-46
300
What is the y-intercept of y=3^x
1
400
f(x)=3x-3 g(x)=-4x Find f(g(6))
-75
400
g(a)=a-3 h(a)=a+5 Find (g*h)(x)
a^2+2a-15
400
f(x)=2x g(x)=-x-2 Find g(f(1))
-4
400
y=x-1 Create a table with two points
points may vary teacher will check
500
Approximate f(.5) if f(x)= 4x-3
-1
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