Find the average rate of change of the function as x changes from a to b.f(x) = -x3; a = -1, b = 4
A. 13
B. -19
C. -13
D. 21
Answer: C
Mathematics
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Answer the question.What complex number is the common cube root of -i and fourth root of 1?
A. i
B. -i
C. 
D. 
Mathematics
Solve the problem. Round your answer to the nearest tenth, when appropriate. Use the formula 
, as needed.Find the pH if [H3O+] = 1.0 × 10-6.
A. -8 B. -6 C. 6 D. 8
Mathematics
Find the slope-intercept form for the line satisfying the conditions.Perpendicular to y = 
(x + 1) + 1 passing through (-2, -3).
A. y = - 2x - 7
B. y = - 
x - 4
C. y = 2x - 7
D. y = 
x + 4
Mathematics
Rationalize the denominator and simplify. Assume that all variables represent positive real numbers.
A. 
B. 
C. 
D. 
Mathematics