Find the value of the expression using the given values.4
+ 5
x = 4, y = -9
A. -29
B. 29
C. -61
D. 61
Answer: D
Mathematics
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Solve the absolute value equation.|8x| + 6 = 10
A. {4, -4}
B. {2, - 2}
C. {
, - 
}
D. ?
Mathematics
Multiply.-6.8(0.07a3 - ab + 1.5b)
A. -0.476a3- 6.8ab + 10.2b B. -0.476a3 + 6.8ab -10.2b C. -0.476a3 - 6.8ab -10.2b D. -0.476a3 - ab + 1.5b
Mathematics
Rewrite the expression as a single trigonometric function using a double-angle identity.4 sin 2? cos 2?
A. 
sin 16?
B. cos 4?
C. cos 8?
D. 2 sin 4?
Mathematics
Find the axis of symmetry of the given function.f(x) = -3x2 + 2x
A. x = -1
B. x = - 
C. x = - 
D. x = 
Mathematics