Find the equation of the tangent line at the given point on the curve.x2 + y2 + 2y = 0; (0, -2)
A. y = -2
B. y = -x
C. x = 0
D. y = -x - 2
Answer: A
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Solve the problem.f varies jointly as q2 and h, and f = 96 when q = 4 and h = 3. Find q when f = 40 and h = 5.
A. q = 4 B. q = 5 C. q = 2 D. q = 3
Find the slope and y-intercept of the line.-5x + 7y = 3
A. slope = 5; y-intercept = 15
B. slope = 
; y-intercept = 
C. slope = 
; y-intercept = 
D. slope = 
; y-intercept = - 
Solve the problem.A tub of ice cream initially has a temperature of 26°F. It is left to thaw in a room that has a temperature of 70°F. After 10 minutes, the temperature of the ice cream has risen to 35°F. After how many minutes will the temperature of the ice cream be 44°F?
A. 25 min B. 21 min C. 28 min D. 23 min
Find the nth term and the indicated term of the arithmetic sequence whose initial term, a, and common difference, d, are given.a = 9; d = 4an = ?; a14 = ?
A. an = 9 + 4n; a14 = 61 B. an = 5 - 4n; a14 = 61 C. an = 5 + 4n; a14 = 29 D. an = 5 + 4n; a14 = 61