If f(x) = x^3-2x, find f(-2).
2 answers:
Answer:
f(-2) = -4
Step-by-step explanation:
f(x) = x^3-2x,
Let x = -2
f(-2) = (-2)^3 - 2(-2)
= -8 +4
= -4
Answer:
The correct/valid answer is f(-2) = -4
Step-by-step explanation:
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Step 1:
f(x) = x^3-2x,
Step 2: Determine what x will be
x will be = -2
Step 3: Multiply by -2
f(-2) = (-2)^3 - 2(-2)
Step 4: Solve the equation
= -8 +4
= -4
<u><em>Final answer: f(-2) = -4</em></u>
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<u><em>Mark as brainlies please, i need a few more :D</em></u>
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