All I know is that question 1 is B and I think for question 3 is Sammy is correct.
3/10
Calm down u got this;)
A parent function is the simplest function of a family of functions that preserves the definition (or shape) of the entire family.
Answer:
Step-by-step explanation:
1. A boat is marked up 20% on the original price. The original price was $50. What is the sale price of the boat before sales tax?
$50(1+0.20) = <u>$60</u>
2. Fred buys a video game disk for $4. There was a discount of 20%. What is the sales price?
$4(1-0.2) = <u>$3.20</u>
3. A painting is on sale at 50% off. The sale price is $320. What was the original price?
X*(1-0.5) = $320
X = $320/0.5
X = $640
