6. During the month of July, the number of units, y, of a certain product sold per day can be modeled by the function y = -3.65x + 915, where x is the average daily temperature in degrees Fahrenheit. Which of the following statements must be true?
A. As the temperature increases, the number of units sold decreases.
B. As the temperature increases, the number of units sold remains constant.
C. As the temperature increases, the number of units sold increases.
D. There is no linear relationship between temperature and the number of units sold.
7. Newton’s law of gravitation describes the strength of the force F between two objects with masses M and m separated by a distance of r units and is defined as. F = \( \frac{GMm}{r²} \). Which of the following gives the value of Newton’s gravitational constant G, in terms of F, M, m, and r ?
A. G = Fr²Mm
B. G = \( \frac{Fr²}{Mm} \)
C. G = \( \frac{GMm}{r²} \)
D. G = \( \frac{F}{r²Mm} \)
8. Which of the following expressions is equivalent to (4s)\( \frac{1}{3} \)?
A. \( \frac{2}{\sqrt[]{s}} \)
B. \( \frac{1}{12s³} \)
C. \( 2\sqrt[]{s} \)
D. \( \sqrt[3]{4s} \)
9. Oil is being drained from an oil tank at a constant linear rate. Four hours after draining of the tank began, the volume of oil in the tank was 740 gallons, and seven hours after draining of the tank began, the volume was 545 gallons. Which of the following functions best models v(t), the volume of oil in the tank, in gallons, t hours after draining of the tank began?
A. v(t) = 740 – t
B. v(t) = 740 – 65t
C. v(t) = 1000 – 195t
D. v(t) = 1000 – 65t
10. What is the result of multiplying 8s² – 6s + 2 by 4s – 1 ?
A. 14s – 2
B. 16s² + 2s + 2
C. 32s³ – 16s² + 2s + 2
D. 32s³ – 32s² + 14s – 2
Warning: Undefined variable $in_same_cat in /www/wwwroot/mtexam.com/public_html/wp-content/plugins/EXP.GKFEED.COM/function.php on line 27
Warning: Undefined variable $excluded_categories in /www/wwwroot/mtexam.com/public_html/wp-content/plugins/EXP.GKFEED.COM/function.php on line 27