Question

Please Help!!! Fan and Medal!!!!


Evaluate the function f(x) = 2x – 2, when x = –1.

A.
–4

B.
–3

C.
0

D.
4

Answer 1

The answer is C!!!
I hope I helped, Fan and Medal for help when you need it (:

Answer 2

can you help me with more please?

Answer 3

Sure hun..whatssup?

Answer 4

Simple way is to substitute the 3 for where t belongs.

Answer 5

Exactly. so the answer would be B

Answer 6

anything else?

Answer 7

yes please i have a few more

Answer 8

Evaluate the function H(x) = 16 – x, when x = –4.

A.
64

B.
20

C.
12

D.
–64

Answer 9

Just substitute the number for where the variable belongs. It helps for every single problem like this.

Answer 10

so when you substitute, you'd get 16-(-4) which is basically 16+4 so 20..

Answer 11

i have 2 more please

Answer 12

Find k(8) for the function k(n) = 0.007n.

A.
0.0078

B.
0.056

C.
0.56

D.
8.007

Answer 13

0.007(8) which equals 0.056

Answer 14

Find w(6) for the function w(x) = 4x + 5.

A.
15

B.
29

C.
44

D.
51

Answer 15

4(6)+5= 29 so B

Answer 16

do you mind helping me with some more

Answer 17

If f(x) = |x + 8|, find f(–11).

A.
–3

B.
3

C.
–19

D.
19

Answer 18

sure.

Answer 19

lx+8l substitutes to l-11+8l........which equals to 3

Answer 20

More?

Answer 21

If f(x) = |x – 5| + 2, find f(3).

A.
6

B.
10

C.
4

D.
0

Answer 22

4 more

Answer 23

=4

Answer 24

If f(x) = 9 – 4|x + 1|, find f(–5).

A.
–15

B.
–7

C.
7

D.
23

Answer 25

B

Answer 26

C

Answer 27

i have 1 more

Answer 28

B

Answer 29

Any more hun?

Answer 30

no but thanks i call you if i need help

Answer 31

actually i have five more

Answer 32

Find the constant of variation for the relationship f(x)= 50x.

A.
x

B.
f(x)

C.
5

D.
50

Answer 33

Okay, what are they?

Answer 34

B

Answer 35

D

Answer 36

A

Answer 37

More?

Answer 38

yes

Answer 39

If f(x) varies directly with x, and f(x) = 45 when x = 9, find the value of f(x) when x = 3.

A.
5

B.
9

C.
15

D.
27

Answer 40

C

Answer 41

D

Answer 42

are there more?