Question

What is the value of the function y= 3x - 1 when x = –1?

A.
–8

B.
–4

C.
2

D.
6

Answer 1

where is function?

Answer 2

You need a formula (think of it as "directions")
that tell you want to "do" to -1

Answer 3

put value of x in function get result.

Answer 4

All you would have to do to evaluate the equation (whatever it may be) is substitute -1 for anywhere you see the variable x.

Answer 5

wouldn't it be -3 doe?

Answer 6

No

Answer 7

._.

Answer 8

put x=-1 in y=3x-1

Answer 9

you do this
3x - 1
replace the x with -1
3*-1 - 1
(remember 3x means 3 times x, and with x being -1 , it means 3 * -1

Answer 10

so. 2

Answer 11

now do order of operations: first do the multiply , then the add/subtract

Answer 12

what is 3*-1 ?

Answer 13

-3

Answer 14

yes, so
3*-1 - 1 becomes
-3 - 1
what is
-3 - 1
?

Answer 15

OH WAIT

Answer 16

-4

Answer 17

yes,
3*-1 - 1 is -4

Answer 18

help with another pls