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Given f(x) =2x^2+5, evaluate f(4)

Given f(x) =2x^2+5, evaluate f(4)-example-1

2 Answers

4 votes

Answer:

69

Explanation:

Replace x with 4

-2(4)^2 +5

-8^2+5

64+5

69

User Mkell
by
7.6k points
4 votes

Answer:

f(4) = - 27

Explanation:

substitute x = 4 into f(x) , that is

f(4) = - 2(4)² + 5 = - 2(16) + 5 = - 32 + 5 = - 27

User Casillas
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6.2k points