A way of undoing any operation, is using the inverse of the operation. So if you want to ‘undo’ addition you subtract, and if you want to ‘undo’ multiplication you divide.
Hope this helps!!
Answer:
Part 1)

Part 2)

Step-by-step explanation:
Part 1)
So we have the two functions:

And we want to find:

This is the same as:

Substitute:

So, our answer for Part A is:

Part 2)
Let's find our difference.
Distribute the -1:

Combine like terms:

Add:

And we're done!
Answer:
a = -2
Step-by-step explanation:
g(x) = 3/2x + 3
g(a) = 0
g(a) = 3/2a +3 =0
Subtract 3 from each side
3/2a +3-3=0-3
3/2a = -3
Multiply each side by 2/3
2/3 * 3/2a = -3*2/3
a = -2
Answer:
12.5 cm
Hope this helps :)
Have a great day !
5INGH
Step-by-step explanation:
5 cm = 2 km
? cm = 5 km
5 cm = 2 km
( ÷ 2 )
2.5 cm = 1 km
( × 5 )
12.5 cm = 5 km