Graph the function on a grapher. Then use the grapher to find the x- and y-intercepts. Round to the nearest hundredth if necessary.f(x) = -7.42x2 + 3.72x - 9.72
A. No x-intercepts, (0, -9.72)
B. (-9.72, 0), no y-intercepts
C. (-0.92, 0), (0, -9.72)
D. (-0.92, 0), (1.42, 0), (0, -9.72)
Answer: A
Mathematics
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Find all specified roots.Fourth roots of -16
A. 
+ 
i, 
- 
i, - 
+ 
i, - 
- 
i
B. 2 + i, 2 - i, -2 + i, -2 - i
C. 1 + i, 1 - i, -1 + i, -1 - i
D. 8
+ 8
i, 8
- 8
i, -8
+ 8
i, -8
- 8
i
Mathematics
Solve.
= 6
A. 30 B. 210 C. 216 D. 0
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Find the measure of the angle.
?EGC
A. 70° B. 60° C. 90° D. 50°
Mathematics
Find all solutions if 
. Give your answers in radians using exact values only. Verify your answer graphically.
?
What will be an ideal response?
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