Write an expression for “the number of pieces in one pack of orange gum.” 13 Write an expression for “the number of pieces in three packs of mint gum.”

14 Write an expression for “the sum of the number of pieces in one pack of orange gum
and the number of pieces in three packs of mint gum.”

15 Explain how you could use the expression from problem 14 to find the total number
of pieces Jennifer buys if each pack of mint gum has 6 pieces.

Data from 2005 for various age groups show that for each $100 increase in the median weekly income for whites, the median weekly income of blacks increases by $105. also, for workers of ages 25 to 54 the median weekly income for whites was $676 and for blacks was $527. (a) let w represent the median weekly income for whites and b the median weekly income for blacks, and write the equation of the line that gives b as a linear function of w. b = (b) when the median weekly income for whites is $760, what does the equation in (a) predict for the median weekly income for blacks?

Rewrite 9 log, x2 in a form that does not use exponents. 9log, x = log, x

5. (04.07)which of the following exponential functions goes through the points (1, 12) and (2, 36)? (2 points)f(x) = 3(4)^xf(x) = 4(3)^-xf(x) = 3(4)^-xf(x) = 4(3)^x