Answer: Mean Score = 50 Range = 31
Step-by-step explanation:
58+76+40+35+46+45+0+100=400
400/8=50
Range = subtract smallest number from largest number
54 - 23 = 31
3. If you have to find g(4), then you should substitute x=4 instead of x into the expression of the function
So:

Answer 3: correct choice is B.
4. If you have to find x such that h(x)=11,, then you should substitute 11 instead of h(x) into the expression of the function
So:

Answer 4: correct choice is A.
Answer:
x = 3 or x = -3
Step-by-step explanation:
x^2 -9 =0
x^2 = 9
x = 3 or x = -3