Max takes a summer job selling ice cream bars at the pool. He receives a fixed salary and then additionally a commission for each ice cream bar he sells. The table shows Max's total earnings, y, in dollars, from selling x ice cream bars: Ice Cream Sales and Earnings Number of Bars Sold (x) Total Earnings (dollars) (y) 0 40 1 43 2 46 3 49 Select the equation that best represents the relationship between x and y. (5 points) a y = 3x + 40 b y = 49x + 3 c y = 3x + 49 d y = 3x + 43

Ice cream

Step-by-step explanation:

a.

step-by-step explanation:

step 1 distribute 2 to every term in the parentheses

step 2 add 10 on both sides of the equal sign

whole numbers.

step-by-step explanation:

we are given the average monthly rainfall (in millimeters) model r(m) for the years 1900-2009 as a function of the month number m.

as we can see m is taken for the number of months for years 1900-2009.

we know that number of months can't be a negative number or decimal number or a fraction.

so, the number of months could be only positive whole numbers.

therefore, whole numbers is more appropriate for the domain of r.