As the variation is direct we have:

We must find the value of k.
For this, we use the following data:
y = 200 when x = 5
Substituting values we have:

Clearing k:

Then, the function is:

We evaluate the function for x = -3
Answer:
the value of y when x = -3 is:
c.
72
Answer:
8 divided by 2 is 4
Step-by-step explanation:
U divide 8 from 2
Answer:
4x + 1
Step-by-step explanation:
note that (f + g)(x) = f(x) + g(x) , thus
f(x) + g(x)
= x + 3x + 1 ← collect like terms
= 4x + 1
Answer:
I Think It's 523.6 I don't know Tho
Step-by-step explanation:
Answer: (a-2b)3=3a-6b
=3x-2-6x-1/2
= -6+3
= -3
Step-by-step explanation: