Evaluate the function.Find f(k) when f(x) = 3x2 + 4x + 5
A. 3k2 + 16k + 5
B. 3k2 + 4k + 25
C. 3k2 + 4k + 5
D. 9k2 + 16k + 25
Answer: C
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Determine if the parabola whose equation is given opens upward or downward.y = -4x2 - 2x - 9
A. downward B. upward
Answer the question on the order of rational numbers.Order the rational numbers in increasing order;
, 
, 
A. 
, 
, 
B. 
, 
, 
C. 
, 
, 
Graph the parametric equation for the given interval. Add arrows to show how the curve is traced out. x = t + 1, y = (t - 1)2; 0 ? t ? 3
A. 
B. 
C. 
D. 
Solve the problem.As Sunee improves her algebra skills, she takes 0.9 times as long to complete each homework assignment as she took to complete the preceeding assignment. If it took her 75 minutes to complete her first assignment, find how long it took her to complete the fifth assignment. Find the total time she took to complete her first five homework assignments. Round to the nearest minute.
A. 44 min; 258 min B. 49 min; 258 min C. 44 min; 307 min D. 49 min; 307 min