Simplify.4 ? (2 + 3)2 - 4 ? (5 - 3)2
A. 384
B. 336
C. 105
D. 84
Answer: D
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Provide an appropriate response.Explain the process you would use to determine the best buy.
What will be an ideal response?
Find the zeros of the polynomial function. State whether the graph crosses the x-axis, or touches the x-axis and turns around, at each intercept. f(x) = x4 - 81x2
A. x = 0, touches the x-axis and turns around; x = 81, crosses the x-axis B. x = 0, touches the x-axis and turns around; x = 81, touches the x-axis and turns around C. x = 0, crosses the x-axis; x = 9, crosses the x-axis; x = -9, crosses the x-axis D. x = 0, touches the x-axis and turns around; x = 9, crosses the x-axis; x = -9, crosses the x-axis
Add or subtract as indicated.
- 
A. 
B. 
C. 
D. 
Multiply using FOIL. Assume all variables have nonnegative values.(7 + 
)(2 - 
)
A. 14 + 5
- c
B. 14 - 5
+ c
C. 14 - 5
- c
D. 14 + 5
+ c