Topic 2b AP Precalculus AB Exponential and Logarithmic Graphs

• 9 - √17
• 4
• 2
• √8

(f + g) (x)

• 5x² + 3x

• 4x² + 3x

• 5x² - 3x

• 4x² - 40x

(f - g)(x)

• 5x² + 3x

• -3x² - 13x

• 3x² + 3x

• -3x² + 3x

f(g(x))

• 3x - 16

• 3x - 2

• 3x - 26

• 4x - 2

If f(x) = 3x-1 and g(x) = x²+2,

what is (f ° g)(x) ?

• 3x² +5

• x² +1

• 3x² +1

• 3x² +6

For f(x) = 2x²-1, what is and (f ° f)(-2) ?

• 7

• 97

• 13

• 6

Given f and g in the graph,

what is f(g(2)) ?

• 3

• 8

• 1

• 4

Given f and g in the graph,

what is (f ° g)(-1) ?

• 1

• 4

• -1

• 6

Given f and g in the graph,

what is f(f(3)) ?

• 3

• 2

• 4

• 1

f(x) = 3x + 10
g(x) = x - 2
Find g(f(-10))

• -42
• -26
• -18
• None of these.