Question

dada a função f(x)=3x²-7x+15, calcule f(0)-f(1)+f(-1)

Answer 1

 f(x)= 3x²-7x+15, calcule f(0)-f(1)+f(-1)


f(0)-f(1)+f(-1)
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f(0) = 3(0)²-7(0)+15 = 0 -0+15 ==> 15

f(1) = 3(1)²-7(1)+15 = 3 -7+15 ==> 11

f(-1) = 3(-1)²-7(-1)+15 = 3 +7+15 ==> 25