A company discovers that to produce x
=
700 new electronic parts, it will cost
y
=
$62400. To produce 520 new electronic parts, it will cost $46920.

Compute the slope of the costs and choose the most accurate statement from the following:
Costs are increasing at a rate of $86 per item.
Costs are increasing at a rate of $84 per item.
Costs are increasing at a rate of $81 per item.
Costs are decreasing at a rate of $81 per item.
Costs are decreasing at a rate of $86 per item.
Costs are decreasing at a rate of $84 per item.

5x+40

5(x + 8)

7x - 49

7(x - 7)

18x + 9

9(2x + 1)

15x - 10

5(3x - 2)

step-by-step explanation:

for number one all you have to do is factor 5 out of 5x + 40

for number 2 factor 7 out of 7x - 49

for number three factor 9 out of 18x + 9

for number four factor 5 out of 15x - 10

f(x) = - 2/3x + 5; f(5/2)

substitute 5/2 in for x:

f(5/2) = -2/3(5/2) + 5

simplify the right side:

f(5/2) = -5/3 + 5

f(5/2) = 10/3

answer:

f(5/2) = 10/3

i hope this you!

15% chance.

step-by-step explanation:

3/10 times, the 5 year old will get a tablet. 5/10 times, the 13 yer old will get a tablet. multiply both fractions to get 15/100 times, both would have a tablet.