Find an equation of the secant line containing (1, f(1)) and (2, f(2)).f(x) = 
A. y = - 
x + 
B. y = 
x + 
C. y = 
x + 
D. y = 
x + 
Answer: A
Mathematics
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Sketch a graph of f.f(x) = -x2 - 4
A. 
B. 
C. 
D. 
Mathematics
Solve by the substitution method.8x - 67 = 5y-4x + 3y = -37
A. {(4, -7)} B. {(3, -6)} C. {(x, y)|-4x + 3y = -37} D. ?
Mathematics
Factor the polynomial completely using the grouping method.4x2 - 5x + 9
A. (4x - 9)(x - 1) B. (4x - 1)(x - 9) C. prime D. (2x - 9)(2x - 1)
Mathematics
Factor the expression. Express your answer so that only positive exponents occur. (3m + 1)-2/5 + (3m + 1) 1/5 + (3m + 1) 7/5
A. (3m + 1)-2/5 [1 + (3m + 1) 3/5 + (3m + 1) 9/5] B. (3m + 1)-2/5 [1 + (3m + 1)-3/5 + (3m + 1) -9/5] C. (3m + 1)-2/5 [1 + (3m + 1) 4/5 + (3m + 1) 7/5] D. (3m + 1)-2/5 [1 + (3m + 1) 3/5 - (3m + 1) 9/5]
Mathematics