Answer:
B
Step-by-step explanation:
This is quite a trial and error question.
Given from the table
$1 cost of item = $0.08 tax on item
$2 cost of item = ($0.08x2) tax on item = $0.16 tax on item
$3 cost of item = ($0.08x3) tax on item = $0.24 tax on item
$8.50 cost of item = ($0.08x8.50) tax on item = $0.68 tax on item
$10 cost of item = ($0.08x10) tax on item = $0.80 tax on item
The only one that is different is the incorrect value therefore $0.64 is the incorrect one.
The product of 23 and a letter
F(x)=1.2(7)+5
F(x)=8.4+5
F(x)=13.4
So the answer is $13.40
The answer is the third option 78 degrees
Function would be f(x) = 5x+85
here, x= 15
5(15)+85 = 75+85 = $160