Answer:
Your answer is 15
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Step-by-step explanation:
Y=4x-7...................
Answer: -71+48p
Explanation:
multiply remove parenthesis
Calculate
Remove parenthesis
Calculate and collect like terms
Answer:

Step-by-step explanation:

Putting x = 1
=> 
Given that f(1) = 1
=> 
=>
-------------------(1)
Now,
Putting x = 2
=> 
Given that f(2) = 5
=> 
=> 
=>
----------------(2)
Subtracting (2) from (1)

For b , Put a = 9 in equation (1)
