Suppose that when the price is $40 a company sells 1,200 calculators in a month. When the price is $45, they sell 1,000 calculators in a month.
(a) Let x be the price (in dollars) and y be the number of calculators sold in a month. What are the
coordinates of two points on the line? Determine the linear equation (slope-intercept form) that relates y to
x

answer: ♡♡♡♡♡♡♡♡♡♡

step-by-step explanation:

answer: c, the green line

step-by-step explanation:

there is no black line, eliminate b.

simple interest implies periodic payments, but the red line shows no payments, eliminate d.

simple interest has equal payments. if paid say every day, the graph is about a straight line (actually a stairstep).

the yellow line is not straight, eliminate a.

check: the green line is straight, answer is c.

simple interest with positive interest rate gives a straight line sloping up to the right. green line:

g(t) = $100 + ($200-$100) ÷ (20 years) × (t years)

= $100 + (4%/year) × ($100)(t years)

incidentally, the yellow line curving upward represents continuously compounded interest

y = $100 × 2^(t years / (14 assuming the yellow line hits $200 at 14 years. 2^0 is 1, so y(0) = $100; 2^(14/14) is 2, so y(14) = $200.

your answer would be b