Solve the equation.5(x + 4) - 7 = 3 + 4x
A. - 6
B. - 10
C. 10
D. 16
Answer: B
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Find a general expression for the slope of a tangent line to the indicated curve.y = 4x2 - 5
A. 8x - 5 B. 4x C. 8x D. 8x2 - 5
Use rational exponents to simplify the expression, if possible. Then, write the answer in radical form. ?
A. v
B. v4
C. v2
D.
Solve the problem.A coil of wire rotating in a magnetic field induces a voltage given by e = 20 sin ,where t is time in seconds. Find the smallest positive time to produce a voltage of 10
.
A. 2.8 sec B. 3 sec C. 2.8? sec D. 3? sec
For the given functions f and g, find the requested function and state its domain.f(x) = 7x - 6; g(x) = 3x - 9Find f ? g.
A. (f ? g)(x) = 21x2 - 81x + 54; all real numbers B. (f ? g)(x) = 21x2 + 54; {x|x ? 54} C. (f ? g)(x) = 10x2 - 81x - 15; all real numbers D. (f ? g)(x) = 21x2 - 27x + 54; {x|x ? 54}