Answer:
Height = 24 cm
Step-by-step explanation:

Answer:
Step-by-step explanation:
Not sure what the clear dot means, but the following is always true:
h(k(any number, let’s say N))=N.
Answer:
option (b) is correct.
The value of
is 0.
Step-by-step explanation:
Given:
and 
We have to find the value of
Consider the given function
First evaluate value of function f(x) at x = 3 and 1 then substitute it in
.
f(3) = 1 + 3 = 4
f(1) = 1 + 1 = 2
Substitute, we get
Solving further , we get,

Now evaluate
at t = 0 , we get,

Thus, value of
is 0.
Thus, option (b) is correct.
Answer:
17
Step-by-step explanation:
→ f(x) = 3x + 2
→ f(5) = 3(5) + 2
→ 15 + 2
→ 17 is the answer.
The student should have distributed the -3 to both terms in the parenthesis in the first step. so it should’ve been 9x= -6-9y