Find an equation of variation in which y varies directly as x and the following is true.y = 150, when x = 100
A. y = 
x
B. y = 
C. y = 
x
D. y = 100x
Answer: A
Mathematics
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Solve the problem.If $3800 is invested at 4.1% interest, compounded quarterly, the amount in the account after 8 years is 
Calculate the amount (the 1 is exact).
A. $1.39 B. $0.08 C. $5300.00 D. $5266.32
Mathematics
Find the domain of the function f(x) = FIGURE 1.png)
What will be an ideal response?
Mathematics
Solve the system using the inverse of the coefficient matrix of the equivalent matrix equation.3x + y - 2z - w = -10 -x + 4y + z - 4w = -10 4x - 2y + 3z + w = -10 -2x - y - z - 4w = 5
A. (-1, -3, -2, 3) B. (-3, 2, 1, -1) C. (-3, -2, -1, 1) D. No solution
Mathematics
What is the meaning of the expression?(-9.7)3
A. (9.7)(9.7)(9.7) B. 3(-9.7) C. (-9.7)(-9.7)(-9.7) D. -9.7 ? 9.7 ? 9.7
Mathematics