What is the effect on the graph of f(x)=|x| when the function is changed to g(x)=-2|x| ? A.
The graph is reflected across the x-axis and stretched vertically by a factor of 2.
B.
The graph is shifted to the left 2 units.
C.
The graph is reflected across the x-axis and compressed vertically by a factor of 2.
D.
The graph is shifted down 2 units.

Amanager recorded the number of bicycles sold by his company each quarter. his projected sales after t years is given by the expression below. which of the following statements best describes the expression? a. the initial sales of 575 bicycles increases at the rate of 4% over 4 quarters. b. the initial sales of 575 bicycles increases at the rate of 18% over 4 years. c. the initial sales of 575 bicycles increases at the rate of 4% over t quarters. d. the initial sales of 575 bicycles increases at the rate of 18% over t years.

10 points? me . its important ‼️‼️

Travis and paula went to lunch.travis ordered a sandwich for $7.50 and paula ordered a burger for $5.25.after lunch,they left a 15% tip for the waiter.how many money did they spend altogether?