Find a quadratic equation with integer coefficients that has the given solution set.{5, -5}
A. x2 + 25 = 0
B. x2 - 25 = 0
C. x2 - 10x + 25 = 0
D. x2 + 10x + 25 = 0
Answer: B
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Solve the problem.The grades are given for a student for a particular semester. Use weighted means to find the grade point average. Assume the grade point values are A = 4, B = 3, C = 2, D = 1, and F = 0. Round your answer to the nearest tenth when necessary.
D2 A1 A1 F2 A2
A. 2.3 B. 1.6 C. 8 D. 2.6
Solve the problem.A balloon (in the shape of a sphere) is being inflated. The radius is increasing at a rate of 4 cm per second. Find a function, r(t), for the radius in terms of t. Find a function, V(r), for the volume of the balloon in terms of r. Find (V ? r)(t).
A. (V ? r)(t) = 
B. (V ? r)(t) = 
C. (V ? r)(t) = 
D. (V ? r)(t) = 
The function f is one-to-one. Find its inverse.f(x) = 
A. f-1(x) = 
B. f-1(x) = 
C. f-1(x) = 
D. f-1(x) = 
Simplify.-
A. 0.05 B. -0.5 C. does not exist as a real number D. -0.05