Question

If f(x) = √x + 12 and g(x) = 2 √x, what is the value of (f-g)(144)?

Answer 1

\[f(x)=\sqrt{x}+12\] what is \[f(144)=\sqrt{144}+12\]?

Answer 2

similarly, what is \[g(144)=2\sqrt{144}\]?

Answer 3

No idea how to do that... @satellite73

Answer 4

do you know what the square root of 144 is? that is what you need

Answer 5

12?

Answer 6

not 12? but rather 12 !!

Answer 7

that makes \[f(144)=\sqrt{144}+12=12+12=?\]

Answer 8

satellite73, don't you first subtract g(x) from the f(x) and then plug in 144 for x?

Answer 9

you can but no need right? \[f-g(144)=f(144)-g(144)\] i would compute each number, then subtract

Answer 10

we have \[f(144)=24\] all we need is \(g(144)\)

Answer 11

Alright, not typical but actually hadier in a way. Sorry for bugging then:)

Answer 12

what number is \[g(144)=2\sqrt{144}\]?