Step-by-step explanation:
a) x=0, y=6
x=1, y=4
x=2 , y=2
x=3, y=0
x=4, y= -2
y= 6-2x
b) look at the attachment.
c)
6-2x=3
-2x=-3
x=3/2
Answer:{-1, 3, 7, 11, 15}
Step-by-step explanation: f(x) = 2x − 1, {0, 2, 4, 6, 8}
f(0) = 2*0 − 1 = 0 - 1 = -1
f(2) = 2*2 − 1 = 4 - 1 = 3
f(4) = 2*4 − 1 = 8 - 1 = 7
f(6) = 2*6 − 1= 12 - 1 = 11
f(8) = 2*8 − 1= 16 - 1 = 15
Answer:
42 cakes
123 - 81 = 42
.....