Question

calcule o valor de [f (0)+ f(2)]²-f(3)
na função f(x)= x²+9x-15

Answer 1

f(x)= x²+9x-15
f(0)=0²+9.0-15= 0+0-15=-15
f(2)=2²+9.2-15= 4+18-15= 22-15=7
f(3)=3²+9.3-15= 9+27-15= 36-15=21

[f(0)+f(2)]²- f(3)

[ -15 + 7]²- 21=

[-8]²-21=

64 -21=

43