Solve the equation.x-2 - x-1 - 30 = 0
A. {-6, 5}
B. 
C. 
D. {6, -5}
Answer: B
Mathematics
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For the pair of functions, find the indicated sum, difference, product, or quotient.h(x) = x - 1, g(x) = 
Find (hg)(-4).
A. -3
B. does not exist
C. -5
D. -5 - 
Mathematics
Express the number in standard notation.1.11 × 10-4
A. 0.00111 B. -111,000 C. 0.000111 D. 0.0000111
Mathematics
Find the average value of the function f over the given region.f(x, y) = 4x + 7y; R = {(x, y): 0 ? x ? 1, 0 ? y ? 1}
A. 9
B. 
C. 11
D. 
Mathematics
Convert the polar equation to rectangular form. Identify the curve.? = 
A. y = - 
x2; a circle centered at (0, 0) with radius 1
B. y = 
x; a line with slope - 
and y-intercept 0
C. x2 + y2 = 1; a circle centered at (0, 0) with radius 1
D. y = - 
x; a line with slope - 
and y-intercept 0
Mathematics