Question

I give medals!

I don't understand this homework problem. Please help!

Answer 1

the third 1 tho

Answer 2

I did this before and I got it wrong. I don't really know how to do it.

Answer 3

@butterflydreamer can you help me?

Answer 4

@iambatman @iGreen

Answer 5

all you have to do is plug in

Answer 6

plug in...what?

Answer 7

ok soyou locate the variable x and plug it in to each answer

Answer 8

ok

Answer 9

find the equation of the line between the points \((5,40)\) and \((10,30)\)
first find the slope, then use the "point slope" formula

Answer 10

oh ok

Answer 11

right 5, down 10 slope is \(-\frac{10}{5}=-2\)

Answer 12

then you can either use the point slope formula or just check if A or C is right by substitution

Answer 13

Is it A?

Answer 14

i don't know i didn't do it

Answer 15

oh ok but I think so because 40 is in the problem...

Answer 16

probably not because the answer is always C in a multiple choice

Answer 17

oh haha

Answer 18

on this homework it has been either B or D on all of them

Answer 19

no it has nothing to do with the 40
if you plug in 5 for x you should get 40

Answer 20

oh. So is it A

Answer 21

\((5,40)\) means \(f(5)=40\)

Answer 22

no it is not A

Answer 23

oh

Answer 24

C?

Answer 25

\[f(x)=-2x+50\\
f(5)=-2\times 5+50=-10+50=40\] so C is the right one

Answer 26

cool. Thanks for helping!

Answer 27

yw

Answer 28

Yay 100% thank you

Answer 29

lol