How to write an equation for the transformation of y=x vertical stretch by a factor of 4

In a department store, a dress is marked, "save 25% l" what is the discount? What is the sales price of the dress?

Shanna writes the formula f (x 1) = 2.5f (x) when f (1) = 2 to represent this sequence: 2, 5, 12.5, 31.25, ... which error did shanna make?

Why can't a triangle have more than one obtuse angle?

What is - 7 5/12 written as a decimal?

Equivalent ratio for 5:9

A company's sales decreased by 8% this year, to $9015. What were their sales last year? (Round your answer to the nearest penny.) My answer was 9,736.2, but the correct answer was 9798.91. Could someone explain how did they get to 9798.91?

Cindy exercise for 30 minutes 2 times a day. if she keeps up this schedule for 30 days, how many minutes will she exercise in all

Is pie to the power of 2 greater than 9

Evaluate the expression -112/7+9

Use the function to fill in the blanks in the table. x f (x) -2 -1 0 1 2