Find the axis of symmetry of the function.f(x) = 2x2 + 8x + 5
A. x = 2
B. x = -2
C. x = -3
D. x = 3
Answer: B
Mathematics
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Use a graphing utility to construct a table of values for the function. Round your answer to three decimal places.
What will be an ideal response?
Mathematics
Solve the problem.Find the opposite.-21
A. -21 B. 21 C. 0 D. 1
Mathematics
Find the requested probability.A coin is biased to show 43% heads and 57% tails. The coin is tossed twice. What is the probability that the coin turns up heads once and tails once?
A. 43% B. 57% C. 49.02% D. 24.51%
Mathematics
Solve the system of equations by elimination.
A. x = 16, y = 
; 
B. x = -18, y = - 
; 
C. x = -16, y = - 
; 
D. x = 18, y = 
; 
Mathematics