Perform the indicated operations.(2x - 7)(x - 11)
A. x2 - 29x - 30
B. 2x2 - 30x + 77
C. 2x2 - 29x + 77
D. x2 + 77x - 29
Answer: C
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Find all solutions of the equation in the interval [0°, 360°).2 cos2 ? - 3 cos ? + 1 = 0
A. {0°, 60°, 300°} B. {0°, 30°, 330°} C. {60°, 90°, 300°} D. {0°, 60°, 120°}
Solve.A baker can decorate the day's cookie supply four times as fast as his new assistant. If they decorate all the cookies working together in 12 minutes, how long would it take for each of them to decorate the cookies working individually?
A. baker: 60 minutes
assistant: 15 minutes
B. baker: 60 minutes
assistant: 240 minutes
C. baker: 15 minutes
assistant: 60 minutes
D. baker: 4
minutes
assistant: 17 minutes
Use the vertical line test to determine whether or not the graph is a graph of a function.
A. Yes B. No
Provide an appropriate response.The equation of a circle can be written in the form x2 + y2 = r2. Is this a function? Why or why not?
What will be an ideal response?