Question

evaluate the function for x=-2a, if a=3

t(x)=-4x+7

a.31

b.-4

c.99

d.-17

Answer 1

well first find x,what is x?

Answer 2

x = -2a = -2(3) = ?

Answer 3

I really don't know

Answer 4

u don't know what is (-2)(3) = ?

Answer 5

no

Answer 6

i just need the answer

Answer 7

no.don't just ask for answer! OpenStudy is to learn!

Answer 8

ok

Answer 9

and -2(3) = -6 so x = -6
and for x we have f(x) = -4x + 7
so find f(x) that x = -6
(you should substitute -6 instead x here: -4x +7

Answer 10

so the answer is 31

Answer 11

yes ;) correct

Answer 12

thanks

Answer 13

you're welcome ;) you can click on best response button to give me a medal and close the topic as u got the answer. :)