Write the equation of the line in 
form, given the slope and y-intercept.Slope is - 
; and y-intercept is 4
A. y = - 
x + 4
B. y = - 
x - 4
C. y = 
x - 4
D. y = 
x + 4
Answer: A
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The position vector of a particle is r(t). Find the requested vector.The acceleration at t = 
for r(t) = (7t - 4t3)i + 2tan(3t)j + e5tk
A. a
= - 2?i + 72j + 25e5/12?k
B. a
= - 2?i - 72j + 25e5/12?k
C. a
= - 2?i - 72j + 25k
D. a
= 2?i + 72j + 25e5/12?k
Provide an appropriate response. Add 3 sec. + 4.5 sec. + 5.85 sec. + 9.123 sec. and round to 3 significant digits.
A. 22 sec. B. 22.4 sec. C. 22.473 sec D. 22.5 sec
Given the measure of one angle, find the measure of the other three angles.?4 = 102°
A. ?2 = 78°, ?1 = ?3 = 102° B. ?2 = 102°, ?1 = ?3 = 78° C. ?2 = -12°, ?1 = ?3 = 78° D. ?2 = 102°, ?1 = ?3 = -12°
Solve the problem.The cost in millions of dollars for a company to manufacture x thousand automobiles is given by the function C(x) = 4x2 - 24x + 81. Find the number of automobiles that must be produced to minimize the cost.
A. 6 thousand automobiles B. 3 thousand automobiles C. 12 thousand automobiles D. 45 thousand automobiles