3 years ago

Consider the function f(x) = 4x2 + 5. Find the value of f(x) when x = 2 and select the correct answer below.

Mathematics

2 answers:

Vesna [10]3 years ago

5 0

its supposed to be 4x^2.

yulyashka [42]3 years ago

3 0

Simply plug two in for x :)
f(2) = 4(2) × 2 + 5
f(2)=8 × 2 + 5
f(2)=16 + 5
f(2)=21
There's your answer :) (I just assumed that 2 was being multiplied when you said 4x2)

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