Evaluate f(x) at the given value of x.f(x) = 6x - 5; x = -8
A. -20
B. -56
C. -53
D. 53
Answer: C
Mathematics
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Find the reciprocal.0
A. -1
B. 0
C. 
D. The number 0 has no reciprocal.
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Solve the problem.Use the angle sum formulas to derive sin (A - B) = sin A cos B - cos A sin B.
What will be an ideal response?
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Find the volume under the surface z = f(x,y) and above the rectangle with the given boundaries.z = 
; 0 ? x ? 1, 1 ? y ? e
A. 
B. 
C. 
D. 
Mathematics
Write the phrase as a mathematical expression. Use x to represent the number. Combine like terms if possible.Seven times a number added to 4, subtracted from triple the sum of seven times the number 
A. 7(x + 4) - (3 + 7)(x + 3); -2 - 3x B. 3(7x + 3) - (4 + 7x); 5 + 14x C. (4 + 7x) - 3(7x + 3); -5 - 14x D. (3 + 7)(x + 3) - 7(x + 4); 2 + 3x
Mathematics