15.6k views
1 vote
F(m) = 3m^2 - 5
find (-2)

2 Answers

3 votes

Answer:

7

Explanation:

Plug in -2 for m:

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

Simplify:

(-2)^2 or (-2)(-2)=4

f(m)=3(4)-5

3x4=12

f(m)=12-5

f(m)=7

User Simply Brian
by
8.2k points
3 votes

Answer:

f(- 2) = 7

Explanation:

assuming you mean find f(- 2)

substitute x = - 2 into f(m)

f(- 2) = 3(- 2)² - 5 = 3(4) - 5 = 12 - 5 = 7

User Wildhoney
by
8.2k points

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