
Step-by-step explanation:
The operations on functions can be performed as they are performed on polynomials
The addition of functions is used in the given question
Given

We have to find:

So,

Keywords: Functions, operations on functions
Learn more about functions at:
#LearnwithBrainly
Answer:
x = 6
Step-by-step explanation:
If A, B and C lies on a straight line in order, then;
AB+BC = AC
x+12+2x-4 = 26
x+2x+12-4 =26
3x+8 = 26
3x = 26-8
3x = 18
x = 18/3
x = 6
Hence the value of x is 6
The answer for number one is -3.938.
For full answer it is found on:
https://www.algebra.com/algebra/homework/Finance/Finance.faq.question.1029380.html
17/10-(2/5x2/2)
17/10-4/10
=13/10