Question

considerando a função dada por y = 1 2×

Answer 1

a) y= 1-2×5
y= 9

b) y= 1-2×(-6)
y= -12+1
y= -11


c) y= 1-2×(-1/2)
y= 1-(-2/2)
y= 1-1
y= 0

d) -15=1-2x
2x=1+15
x=16/2
x=8