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

Consider the function f(x) = 4x2 + 5. Find the value of f(x) when x = 2 and select the correct answer below.
asked 21.6k views
4 votes
Consider the function f(x) = 4x2 + 5. Find the value of f(x) when x = 2 and select the correct answer below.

asked
User Jenne
by
9.5k points

2 Answers

2 votes

its supposed to be 4x^2.

answered
User Elisabetta
by
8.0k points
2 votes
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)
answered
User Mdzh
by
8.8k points
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