Question

dada a funcao f (x) =-2x+3,calcule: a) f (-2)= b) f (-1) = c) f (0)= d) f (2)= e) f (1)=

Answer 1

f(-2)= -2x(-2)+3 (=) f(-2)= 7

f(-1)= -2x(-1)+3 (=) f(-1)= 5

f(0)= -2x0+3 (=) f(0)= 3

f(2)= -2x2+3 (=) f(2)= -1

f(1)= -2x1+3 (=) f(1)= 1