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If f(x) = 7x^2 -9x + 4, then f(-3) =?

If f(x) = 7x^2 -9x + 4, then f(-3) =?
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3 votes
If f(x) = 7x^2 -9x + 4, then f(-3) =?

User Yong Jie Wong
by
8.7k points

1 Answer

4 votes

Answer:

f(-3) = 94

Explanation:

f(x) = 7x^2 - 9x + 4 f(-3)

f(-3) = 7(-3)² - 9(-3) + 4

f(-3) = 7(9) + 27 + 4

f(-3) = 63 + 31

f(-3) = 94

User Andrew Burns
by
7.9k points
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