Simplify. Assume that all variables represent positive numbers.
A. (7x + 5)2
B. 7x + 5
C. (7x - 5)2
D. 7x - 5
Answer: B
Mathematics
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Solve the problem.Find the derivative of the function 
at the point 
in the direction in which the function increases most rapidly.
A. 5 B. 6 C. 15 D. 10
Mathematics
Evaluate the expression.10b ÷ 16a, for a = 2 and b = 10
A. 
B. 1600
C. 
D. 
Mathematics
Use synthetic division to find the indicated function value.f(x) = 2x4 - 20x2 - 4, f(4)
A. 196 B. 828 C. -52 D. 188
Mathematics
Describe all symmetries of the figure shown.
A. 2 lines of symmetry B. 4 lines of symmetry, 90° rotation symmetry C. 4 lines of symmetry D. 2 lines of symmetry, 180° rotation symmetry
Mathematics