Question

dada a função f (x) = 3x - 5, calcule

a-) f(-1)
b-) f(1)+f(2)+f(3)
c-)f(0)+f(10)

Answer 1

a) f(-1) = 3*(-1)-5= -3-5=-8
b) f(1)+f(2)+f(3)= 3*1-5+3*2-5+3*3-5=18-15=3
c)f(0)+f(10)= 3*0-5+3*10-5=30-10=20