Student: rtl
date: seva 21
instructor: robert just
course: math 140-01 (1)
1. given f(x) = 7x and g(x)= 9x2 + 4, find the following expressions.
(a) (fog)(4) (b) (gof)(2) (c) (fof)(1) (d) (gºg)(0)
(a) (fog)(4) =
(simplify your answer.)
(b) (gof)(2) =
(simplify your answer.)
(c) (f of)(1) =
(simplify your answer.)
(d) (gog)(0) =
(simplify your answer.)

Tom is making a punch that contains 80% cranberry juice and the rest ginger ale. the punch has 2 liters of ginger ale. part a: write an equation using one variable that can be used to find the total number of liters of cranberry juice and ginger ale in the punch. define the variable used in the equation and solve the equation. hint: 0.8x represents the number of liters of cranberry juice in the punch. (5 points) part b: how many liters of cranberry juice are present in the punch? show your work.

The lee family bought their home for $220,000 this year. the equation =220,000(1.038) v = 220 , 000 ( 1 . 038 ) x can be used to find the value, v, of their home after x years. which will be the value of the lee family's home in 5 years?

Kathy spent 5/8 of her money on books and another 1/6 of her money on stationeries. what fraction of kathy’s money was left?