Answer the question about the given function.Given the function f(x) = 4x2 + 8x + 9, if x = -1, what is f(x)? What point is on the graph of f?
A. 5; (-1, 5)
B. 5; (5, -1)
C. 21; (21, -1)
D. 21; (-1, 21)
Answer: A
Mathematics
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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
Mathematics
If two fair dice, one red and one white, are rolled, in how many ways can the result be obtained?The sum of the two dice is less than 5.
A. 4 ways B. 6 ways C. 10 ways D. 5 ways
Mathematics
Solve the problem.When Maria finished medical school she owed $36,000 in student loans. She repaid 
of the total amount within two years of graduating. How much did she repay within two years of graduating?
A. $23,760 B. $21,600 C. $19,440 D. $2160
Mathematics
Solve the equation.2(3x - 5 ) = 16
A. {8}
B. {-3}
C. 
D. {3}
Mathematics