Question

Find w(4) for the function w(x) = 3x + 7.

A.
41

B.
33

C.
19

D.
14
C?

Answer 1

@ganeshie8

Answer 2

you're given :

\(\large w(x) = 3x + 7\)

Answer 3

to find \(\large w(4)\),
simply replace \(x \) by \(4\) in given equation

Answer 4

\(\large w(4) = 3*4 + 7\)

Answer 5

can u simplify ha ?

Answer 6

Do i simplify it like an equation?

Answer 7

nope, just evaluate the right hand side

Answer 8

\(\large w(4) = 3*4 + 7\)

\(\large ~~~~~~~ = 12 + 7\)

\(\large ~~~~~~~ = ?\)

Answer 9

Multiply 3 times 4 FIRST. Once you have that product, add the last constant to it.

Answer 10

Ok, i did that, i got 19 for the right side

Answer 11

Why not now find w(0), w(-2) and w(a) for the added practice?

Answer 12

Wait, so it is C?

Answer 13

@amistre64

Answer 14

@blueweek77: Wouldn't it benefit you MUCH more in the long run to learn how to do these problems yourself, and to check them yourself, instead of asking others to check them for you?

Answer 15

C is \(\large \color{red}{\checkmark}\)

Answer 16

Thanks @ganeshie8

Answer 17

np :)