Use the discriminant to determine the number of real solutions of the equation.s2 + 3s + 2 = 0
A. No real solutions
B. 2
C. 1
Answer: B
Mathematics
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Find an equation of the plane through the origin and parallel to the plane -3x+6y-3z=-1
What will be an ideal response?
Mathematics
Find the inverse of the function.f(x) = 5x3 + 7
A. f-1(x) = 
B. Not a one-to-one function
C. f-1(x) = 
D. f-1(x) = 
- 7
Mathematics
Use the Remainder Theorem to find the remainder.f(x) = -2x2 - 6x - 6 is divided by x - 
A. 
B. - 
C. - 
D. 
Mathematics
Solve the problem.Barbara knows that she will need to buy a new car in 6 years. The car will cost $15,000 by then. How much should she invest now at 8%, compounded quarterly, so that she will have enough to buy a new car? Round to the nearest cent.
A. $9325.82 B. $11,854.72 C. $8752.36 D. $10,208.75
Mathematics