Answer:
27/8
Step-by-step explanation:
You seem to want to evaluate ...

I like to simplify the expression first, even though the order of operations would have you evaluate it as is.

Substitute the given values for "a" and "b" and do the arithmetic.

Answer:
94 pound of type A
Step-by-step explanation:
g(2x) is 
Step-by-step explanation:
We are given 
We need to find g(2x)
Solving:

So, g(2x) is 
Keywords: Composite Functions
Learn more about Composite Functions at:
#learnwithBrainly
Answer:
y=2x+20
Step-by-step explanation:
x is any real number greater than or equal to 0, and y is any real number greater than or equal to 20
Hope this helps :)