SOLUTION: 9. y = -9x + 11
A. Domain = {all real numbers}, Range = {all real numbers <= 11}
B. Domain = {all real numbers}, Range = {all real numbers > 11}
C. Domain = {all real numbers}
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Question 1197779: 9. y = -9x + 11
A. Domain = {all real numbers}, Range = {all real numbers <= 11}
B. Domain = {all real numbers}, Range = {all real numbers > 11}
C. Domain = {all real numbers}, Range = {all real numbers > 0}
D. Domain = {all real numbers}, Range = {all real numbers}
E. Domain = {all real numbers <= 9}, Range = {all real numbers}
F. Domain = {all real numbers > 9}, Range = {all real numbers}
10. y = 40 - 8x2
A. Domain = {all real numbers <= 8}, Range = {all real numbers <= 40}
B. Domain = {all real numbers}, Range = {all real numbers > 40}
C. Domain = {all real numbers}, Range = {all real numbers}
D. Domain = {all real numbers}, Range = {all real numbers <= 40}
E. Domain = {all real numbers}, Range = {all real numbers <= 8}
F. Domain = {all real numbers > 8}, Range = {all real numbers}
Answer by math_tutor2020(3817) (Show Source): You can put this solution on YOUR website!
Hint:
Here is the graph of y = -9x+11
Notice it stretches forever to the left and right, also it stretches forever upward and downward.
And here is the graph of y = 40-8x^2
The vertex point (highest point in this case) is located at (0,40)
The parabola stretches forever to the left and right.
Another hint:
Domain = set of all allowed x inputs
Range = set of all possible y outputs
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