Socks cost each $3 a pair and scarves cost $5 each. Natalie Attired buys some of each. Let x be the number of pairs of socks and let y be the number of scarves she buys. a. Write an expression for total number of dollars she pays
b. How much would she pay for?
i.7 socks, 4 scarves?
ii.4 pairs of socks, 7 scarves?
c. Write an expression stating that Natalie spends a total of $60 for socks and scarves.
d. Find the intercepts

correct choice is b

step-by-step explanation:

when you calculate the average rate of change of a function, you are finding the slope of the secant line between the two points. for the function the average rate of change from point to point can be calculated as

to find the average rate of change from day 2 to day 10, note that at day 2, 8 houses were sold, so a(2,8) and at day 10, 2 houses were sold, so b(10,2). thus,

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