Using the horizontal-line test, determine whether the function is one-to-one.
A. one-to-one
B. not one-to-one
Answer: A
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Solve the problem.In a certain location, the highest temperature recorded was 101°F. The lowest temperature recorded was 136 degrees less than the highest. What was the lowest temperature?
A. -35°F B. 0°F C. -138°F D. 35°F
Measurements are made at two different times. Find the absolute change and then find the percentage change. Round answers to the nearest tenth if necessary.At a certain college, the percentage of male students decreased from 
in 1970 to 
this year.
A. Absolute change: -23.7 percentage points Percentage change: -14% B. Absolute change: -14 percentage points Percentage change: -31.1% C. Absolute change: -14 percentage points Percentage change: -23.7% D. Absolute change: 14 percentage points Percentage change: 31.1%
Mark the indicated points.-
, 0, 1, -
A. 
B. 
C. 
D. 
Two curves are said to be orthogonal if their tangent lines are perpendicular at each point of intersection of the curves. Show that the curves of the given equations are orthogonal.
