Find the range for the data set.
A. 0.21
B. 0.23
C. 5.28
D. 5.51
Answer: B
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Use the Consumer Price Index below to answer the question.A meal in a restaurant cost $34 in 2000. What was its price in 1997 dollars? If necessary, round values to the nearest dollar.
A. $32 B. $30 C. $36 D. $31
Find the equation of the parabola determined by the given information.Focus at (-10, -7), directrix x = -14
A. x = y2 +
y -
B. y = x2 +
x +
C. y = x2 +
x +
D. x = y2 - 14y + 47
Determine the amplitude and find the phase shift in radians (to the nearest tenth).y = -5 sin x + 7 cos x
A. , -2.5
B. 148, -2.5
C. , 2.5
D. 148, 2.5
Provide an appropriate response.John has been a teacher at West Side High School for the past 12 years. His salary during that time can be modeled by the linear equation y = 800x + 33,000 where x is the number of years since he began teaching at West Side and y is his salary in dollars. Explain what the slope, 800, represents in this context.
What will be an ideal response?