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If f(x) = x2 + x - 10, find f(-3).
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16 votes
16 votes
If f(x) = x2 + x - 10, find f(-3).

User Amin Merati
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2 Answers

13 votes
13 votes
f(x) = x2 + x - 10 replace every x with 3
f(3) = (3)2 + 3 - 10 now do order of operations
f(3) = 6 + 3 - 10
f(3) = -1
And the answer is -1
User Pinker
by
2.2k points
11 votes
11 votes
plug in -3 for x
the answer should be -6+-3-10
the answer is -19
User Vern Burton
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3.1k points
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