Find the exact value of the trigonometric expression without the use of a calculator.sin
A. 
B. 1
C. 0
D. 
Answer: B
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Quake 1 has a reading of 4.9 on the Richter scale. ? A: Quake 2 has a magnitude of 6.6. How do the relative intensities of quakes 1 and 2 compare? ? B: Quake 3 is 3,162.28 times as intense as quake 1. What is the magnitude of quake 3? ? C: An aftershock following quake 1 was one tenth as intense as quake 1. What was the magnitude of the aftershock? ? Round your answers to one decimal place.
What will be an ideal response?
Evaluate the expression.(-4)-1
A. -4
B. - 
C. 
D. 4
Find the function value.Let f(x) = e3x. Find f(-0.50), rounded to four decimal places.
A. 0.3502 B. -0.2231 C. 0.2231 D. -0.3502
Find the slope then describe what it means in terms of the rate of change of the dependent variable per unit change in the independent variable.The linear function f(x) = -9.8x + 24 models the percentage of people, f(x), who eat at fast food restaurants each week x years after 1998.
A. m = 9.8; the percentage of people eating at fast food restaurants each week has increased at a rate of 9.8% per year after 1998. B. m = 9.8; the percentage of people eating at fast food restaurants each week has increased at a rate of -9.8% per year after 1998. C. m = 24; the percentage of people eating at fast food restaurants each week has increased at a rate of -9.8% per year after 1998. D. m = -9.8; the percentage of people eating at fast food restaurants each week has decreased at a rate of -9.8% per year after 1998.