2) (b-7) (b-2)
3) (b+7) (b-2)
4) (b+7) (b+2)
b. Write a rule for the function p(r) that expresses the final price p of a T-shirt with the discount applied and sales tax added.
c. How much would you pay during Bargain Days for a shirt regularly priced at $15.50?
Answer:
A:
Let the regular price of the t shirt be = r
Let the total cost of the t shirt be = t
So, we can say :
B:
C:
Substituting r = 15.50
=>
= $11.025
Yes
No
Answer:
No
Step-by-step explanation:
For a relation to be a function, each value of x must map to exactly one unique value of y
Here x = 4 and x = 0 both map to y = 3
Thus the relation is not a function