Solve the problem.The number of VHS movie rentals has declined since the year 2000 due to the popularity of DVDs, as the following table shows. Use a graphing calculator to determine the exponential regression equation that best fits the VHS rental data. Let x represent the number of years since 2000.
A. y = 9.75(0.08197)x
B. y = 9.79(0.08213)x
C. y = 9.75(0.8197)x
D. y = 9.79(0.8213)x
Answer: C
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Use reference angles to find the exact value of the expression. Do not use a calculator.tan
A.
B.
C. 1
D. -1
Provide an appropriate response.A student finds the integral in a table. The student wishes to find
How can the student use the table?
What will be an ideal response?
Solve the problem.The width of a rectangular stamp is 1.20 cm greater than the length. If the width and length are both increased by 1.0 cm, the stamp would have a perimeter equal to 19.40 cm. What are the actual dimensions of the stamp?
A. 7.50 cm × 8.70 cm B. 3.25 cm × 8.90 cm C. 3.25 cm × 4.45 cm D. 3.75 cm × 4.35 cm
Solve the quadratic equation by factoring.x2 - x - 42 = 0
A. x = -6 or x = 7 B. x = 6 or x = 7 C. x = -6 or x = -7 D. x = 1 or x = 42