Perform the operation indicated. Simplify.
+ 
A.
B.
C.
D.
Answer: B
Mathematics
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Find the number of x-intercepts for the function. f(x) = 5x2 - 3x + 7
A. One B. Two C. None
Mathematics
Write the complex number in polar form. Express the argument ? in degrees, with 0 ? ? ? 360°.-3 - 3i
A. 6(cos 180° + i sin 180°) B. 3(cos 240° + i sin 240°) C. 6(cos 290° + i sin 290°) D. 6(cos 240° + i sin 240°)
Mathematics
The side mirror of a small pickup truck is similar to that a larger full size pickup truck. If the smaller truck has a rectangular side mirror with a width of 13.3 in. and a height of 15.2 in., what is the height of the larger mirror if its width is 16.8 in.?
A. 19.2 in. B. 21.3 in. C. 19.5 in. D. 16.7 in. E. 16.8 in.
Mathematics
Solve the equation. = 5
A.
B. {3122}
C. {3125}
D.
Mathematics