Question

[3.06] Given the function f(x) = −2x + 8, find x if f(x) = 22.

−36

−7

52

−15

Answer 1

easy:
f(x) = 2x + 8
f(22) = 2 x 22 +8
f(22) = 44 + 8
f(22) = 52

Answer 2

oooooooo I know the steps now

Answer 3

one more

Answer 4

aye :D

Answer 5

kk but u try first.

Answer 6

ok

Answer 7

Let A = {7, 8, 9, 10} and let B = {3, 4}. Find A X B.

{3, 4, 7, 8, 9, 10}

{ }

{(7, 3), (7, 4), (8, 3), (8, 4), (9, 3), (9, 4), (10, 3), (10, 4)}

{3, 4}

Answer 8

what is this

Answer 9

its hard

Answer 10

i have no idea...

Answer 11

hold on I think its b

Answer 12

if your finding x you would want to make 22=f(x) it would be 22=-2x+8
if it gave you x and you wanted to find f(x) that is when you would plug it in for x

Answer 13

yeah so its b

Answer 14

I don't know about that set problem. I haven't worked with a problem like that since highschool