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Help me with this math problem please!!

C. State the domain and range: Use the grid to draw the graph and verify your answer. Be sure to label the scales on your axes to accommodate the numbers in the problem. (You may not use a computer program to draw the graphs for you. The goal is to understand how to select points to draw a graph.)

5. y = x2 + 86

6. y = 2x3 + 8

7. y = 40 - 8x2


Sagot :

Answer:

see below

Step-by-step explanation:

5. Domain: x belongs to all real numbers from negative infinity to positive infinity. The range is y [tex]\geq[/tex] 86

6. domain: x belongs to all real numbers from negative infinity to positive infinity. The range: y belongs to all real numbers from negative infinity to positive infinity.

7. Domain: x belongs to all real numbers from negative infinity to positive infinity.  The range is y [tex]\leq[/tex] 40