Question

Dada la siguiente funcion: y= 2x-1 ; encontrar :
a) f(-3) b) f(-2) c) f(0) d) f(a+1) e) f(x+1)

Answer 1

Reemplazando
f(-3) = 2(-3) -1 = -6-1= -7

f(-2) = 2(-2) -1 = -4 -1 = -5

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

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

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