3 years ago

Given f(x) = 5x + 3, find f(-2).

Mathematics

2 answers:

iragen [17]3 years ago

5 0

In this question, you're solving the equation by plugging -2 into x.

Plug -2 into x:

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

Solve:

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

f(x) = -10 + 3

f(x) = -7

Answer:

f(x) = -7

murzikaleks [220]3 years ago

4 0

Answer:

f(- 2) = - 7

Step-by-step explanation:

To evaluate f(- 2) substitute x = - 2 into f(x), that is

f(- 2) = 5(- 2) + 3 = - 10 + 3 = - 7

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