Applications for a cellular phone cost $0.79 each. ringtones cost $1.89 each. write an algebraic expression that represents the total cost of buying a applications and r ringtones.

Which of the following are accepted without proof in a logical system? check all that apply.

Precalculus question, image attached.

The equation represents the function f, and the graph represents the function g. f(x)=3(5/2)^x determine the relationship between the growth factors of f and g. a. the growth factor of g is twice the growth factor of f. b. the growth factor of f is twice the growth factor of g. c. the growth factor of f is 2.5 times the growth factor of g. d. the growth factor of f is the same as the growth factor of g.