Answer:
12x + 40y
Step-by-step explanation:
4(3x+10y)
multiply the outer number (4) with all the terms inside the parentheses
4 X 3x + 4 X 10y
12x + 40y
Answer:
20000/10
Step-by-step explanation:
Answer:
a) 41
b) -31
c) 25/3
Step-by-step explanation:
The instructions explain what a function is pretty clearly.
Basically, whatever is in the parentheses next to the
, you plug in to the expression that is the function.
ex: 

Okay, onto the problems:
a) 
First, plug in 14, since that is given:

and solve.


So, 41 is the answer to a.
b) Do the same thing you did in problem a. Plug in the number inside the parentheses and solve.



-31 is the answer to b.
c) For this problem, you have to do a bit of algebra.
First, take the base function f(x):

Then, set f(x) = 24:

and solve by isolating x.



25/3 is the answer to c.
Answer:
Option B
Step-by-step explanation:
you should add both the powers that is
2/5 +2/9
28/45