Answer:
Part 1) 
Part 2) 
Step-by-step explanation:
Part 1) Find the value of f(-3)
we have

we know that
f(-3) is the value of the function f(x) for x=-3
so
substitute the value of x=-3 in the function to find f(-3)



Part 2) Find the value of g(3)
we have

we know that
g(3) is the value of the function g(x) for x=3
so
substitute the value of x=3 in the function to find g(3)


Answer:
448 ft ^2
Step-by-step explanation:

Hope this helps,
If best, mark brainliest, if not, hope it helps anyway.
I) 4 Gallons
II) $77
Step-by-step explanation:
30km 1 gallon
420km ?
420 ÷ 30 = 14
? = 40
So, 4 gallons more will be needed to complete the journey.
1 gallon $5.50
14 gallon $?
14 x $5.50 = $77
The cost of the petrol is $77
Answer: (6x-3y)3 or maybe not possible to do
Step-by-step explanation
multiply 3x2 and get 6. Multiply 3x3 and get 9.
Answer: C. 3, 11, 23, 31
Step-by-step explanation:
None of these can be divided by anything except themselves and 1.