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If g(x) = x^2 - 4 find g (5) A. 6 B. 14 C. 21 D. 29​

User Keeer
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2 Answers

7 votes
C.21

5^2-4=21


Explanation
User Alex Paulino
by
7.7k points
4 votes

Answer:

C. 21

Explanation:

g(x) = x² - 4

Give: x = 5

Plug in 5 for x in the equation:

g(5) = 5² - 4

Simplify. Remember to follow PEMDAS. First, solve the exponent, then subtract:

g(5) = (5 * 5) - 4

g(5) = 25 - 4

g(5) = 21

C. 21 is your answer.

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User Qevo
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