function and Limits
if f(x) =x^+2x-5 ,find f(2)& f(-3)
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Answer:
if f(x) = x²+ 2x - 5
f(2) = 3
f(-3) = 7
Step-by-step explanation:
if x=2
f(x)= x²+2x-5
therefore,
f(2)= (2)²+ (2×2) -5
= 4+4-5
= 8-5
=3
if x=(-3)
f(x)= x²+2x-5
therefore,
f(-3)= (-3)²+2(-3)-5
= 9-6-5
= 12-5
=7
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