Choose the best answer.The area of a head of a screw is about
A. 49 mm2
B. 4.9 m2
C. 49 cm2
D. 4.9 mm2
Answer: A
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Simplify.9.5 ? 16.5 + 17.6 ? 12.8
A. 2296.9 B. 4146.6 C. 2231.7 D. 382.03
Determine i) the domain of the function, ii) the range of the function, iii) the domain of the inverse, and iv) the range of the inverse.f(x) = 2x - 6
A. f(x): D = {x|x > 2}, R is all real numbers; f-1(x): D = {x|x < 2}, R is all real numbers B. f(x): D is all real numbers, R = {y|y > -6}; f-1(x): D is all real numbers, R = {y|y < -6} C. f(x): D = {x|x > 2}, R = {y|y > -6}; f-1(x): D = {x|x < 2}, R = {y|y < -6} D. f(x): D is all real numbers, R is all real numbers; f-1(x): D is all real numbers, R is all real numbers
Calculate and write the result as a decimal.124.23 × 1
+ 31.21 × 
A. 210.9725 B. 59.565 C. 69.8165 D. 214.8525
Solve the problem.A projectile is fired from a height of 9.3 feet with an initial velocity of 184 ft/sec at an angle of 40° with the horizontal. The parametric equations for the path of the projectile are x = (184 cos 40°)t, and y = 9.3 + (184 sin 40°)t - 16t2,where x and y are in feet and t is in seconds. Determine the rectangular equation describing the path of the projectile.
A. y = 9.3 + x tan 40° - 
x2
B. y = 9.3 + 184x tan 40° - 
x2
C. y = 9.3 + 184x tan 40° - 
x2
D. y = 9.3 + x tan 40° - 
x2