Use the horizontal line test to determine whether the function is one-to-one.
A. Yes
B. No
Answer: B
Mathematics
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If you have the following function, f ( x ) = -x 2 - 6x + 4, compute f (3), f (-1), f (7), f (-5).
A. f (3) = –3, f (-1) = 14, f (7) = 13, f (-5) = 62 B. f (3) = –5, f (-1) = 11, f (7) = 11, f (-5) = 59 C. f (3) = –2, f (-1) = 13, f (7) = 14, f (-5) = 61 D. f (3) = –4, f (-1) = 12, f (7) = 12, f (-5) = 60 E. f (3) = –6, f (-1) = 9, f (7) = 9, f (-5) = 58
Mathematics
Decide whether or not the given equation is an identity.sin2 ? - cos2 ? = 1 - 2 cos2 ?
A. Yes B. No
Mathematics
Solve the problem with estimation, but do not use a calculator. Use rounding to make the resulting calculations simple.Estimate the cost of 96 shirts at $19.95 each.
A. $200 B. $1995 C. $1915.20 D. $2000
Mathematics
Solve.|3x + 3| + 8 = 10
A. 
B. 
C. 
D. 
Mathematics