Given y = f(u) and u = g(x), find dy/dx = f'(g(x))g'(x).y = u(u - 1), u = x2 + x
A. 2x2 + 4x + 1
B. 4x3 + 6x2 - 1
C. 2x2 + 4x
D. 4x3 + 6x2 - 2x
Answer: B
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Write the rate as a simplified fraction. Then write the rate in word form.488 students for 40 teachers
A. 
61 students for every 5 teachers
B. 
61 students for every 40 teachers
C. 
488 students for every 5 teachers
D. 
61 teachers for every 5 students
Multiply. Write the answer in lowest terms.
? 
A. 
B. 
C. 
D. 
Indicate whether the graph of the equation is a parabola, circle, ellipse, or hyperbola.y2 = 81 - x2
A. ellipse B. hyperbola C. circle D. parabola
If necessary, write the equation in the standard form ax2 + bx + c = 0. Then identify the values of a, b, and c. Do not actually solve the equation.9x2 + 15 = 0
A. a = 9, b = 0, c = 15 B. a = 2, b = 0, c = -15 C. a = 0, b = 9, c = 15 D. a = 9, b = 15, c = 0