F(x)= 2x^2 + 5x - 17, find f(-1).
2 answers:
Answer:
-20
Step-by-step explanation:
f(x)= 2x^2 + 5x - 17,
f(-1)
Let x = -1
f(-1)= 2 *(-1)^2 + 5(-1) - 17
= 2 *1 -5 -17
= 2 -22
= -20
Answer:
-20
Step-by-step explanation:
f(x)= 2x² + 5x - 17
Put x as -1.
f(-1)= 2(-1)² + 5(-1) - 17
Solve for the powers.
f(-1)= 2(1) + 5(-1) - 17
Multiply the terms.
f(-1)= 2 + -5 - 17
Add or subtract the terms.
f(-1)= -20
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