Question

1)
A baby elephant weighs 200 pounds at birth. Seven years later, the elephant's weight is 3,000 pounds.

What is the rate of change of the weight of the elephant?
A)
400 pounds per year
B)
429 pounds per year
C)
457 pounds per year
D)
466 pounds per year

Answer 1

we can think that elephant egin with 200 pounds; and his age is 0;
3000 after 7 years;

Answer 2

Divide 3000 / 7 I think?

Answer 3

Yeah, I'm pretty sure.

Answer 4

you can see the axis x it's year , while y is how many pounds

Answer 5

Is it B?
@AMQ @borak

Answer 6

Yes

Answer 7

(0,200) and (7,3000); the rate of change is how many he get in on year

Answer 8

I'm pretty sure.

Answer 9

Okey! Thank you!

Answer 10

if you calcualte the slope = 400;
which mean the the function of his irth year to how man pounds is
400x + 200

Answer 11

the answer is A

Answer 12

Are you sure?

Answer 13

you can substitute the point (0,200)

Answer 14

rate of change of the weight? @borak

Answer 15

if thee first year he irth with 200 pound
and after 7 *400 pounds = 3000

Answer 16

rate of change is the slope of the function

Answer 17

x = years
y = weight

Answer 18

Ah Thanks!