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21 votes
The functions fand g are defined as follows.

g(x) = -2x³-5
f(x) = -2x-3
Find f(5) and g (-2).
Simplify your answers as much as possible.
ƒ (5) = 0
8 (-2) =

X S
2.
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The functions fand g are defined as follows. g(x) = -2x³-5 f(x) = -2x-3 Find f(5) and-example-1
User Mepler
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1 Answer

10 votes
10 votes

Answer:

f(x) = -2x - 3

g(x) = -2x³ - 5

f(5) = -2(5) - 3

f(5) = -10 - 3

f(5) = -13

g(-2) = -2(-2)³ - 5

g(-2) =-2(-8) - 5

g(-2) = 16 - 5

g(-2) = 11

User ShrekDeep
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3.5k points