14 karat is 7/12 pure gold and 5/12 other metals. how much pure gold is in 4 ounces of 14-karat gold

7

12

 of the 4oz is pure gold.

7

12

×

4

o

z

→

cancel

7

12

3

×

4

1

7

3

=

2

1

3

oz

for the points! : )

for this pair of functions g(x)=x-2 and f(x)=|x| is (g o f)(a)= |a| -2

step-by-step explanation:

g(x)=x-2

f(x)=|x|

(g o f)(a)=?

(g o f)(x)=g(f(x))

(g o f)(x)=g(|x|)

(g o f)(x)=|x|-2

(g o f)(a)=|a|-2