Question

se f(x)= - 3 X2^ +1,calcule o valor da expressão f(2)-f(-1)+f(0)​

Answer 1

f(2) = 3.2²+1

f(2) = 3.4+1

f(2) = 12+1

f(2) = 13

f(-1) = 3.(-1)²+1

f(-1) = 3.1+1

f(-1) = 3+1

f(-1) = 4

f(0) = 3.0²+1

f(0) = 3.0+1

f(0) = 1

f(2)-f(-1)+f(0) =

= 13-4+1

= 10