SOLUTION: given f(x)=5x^-3x+1, find f(-2)

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Question 106689: given f(x)=5x^-3x+1, find f(-2)
Answer by MathLover1(20850) About Me  (Show Source):
You can put this solution on YOUR website!
given f%28x%29=5x%5E2-3x%2B1, find f%28-2%29 ..... I guess, here should be 5x%5E2
f%28x%29=5x%5E2-3x%2B1, plug in x=-2
f%28-2%29+=+5%28-2%29%5E2+-+3%28-2%29+%2B+1
f%28-2%29+=+5%2A4+%2B+6+%2B+1
f%28-2%29+=+20+%2B+6+%2B+1
f%28-2%29+=+27