Decide whether the relation is a function.{(-9, 4), (-9, -3), (1, -3), (5, -3), (9, -7)}
A. not a function
B. function
Answer: A
Mathematics
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Find 
for the given function.y = 3x5(2x + 7)2
A. 504x5 + 2,520x4 + 2,940x3 B. 72x6 + 504x5 + 735x4 C. 12x6 + 84x5 + 15x4 D. 132x5 + 840x4 + 60x3
Mathematics
Find the equilibrium solution of the equation. Use a sketch of the direction field for 
to determine whether the equilibrium is stable.u'(t) + 
= -1
A. u = -14; stable
B. u = 
; unstable
C. u =- 
; stable
D. u = 14; unstable
Mathematics
Find the area of the geometric figure.
A. 44.5 sq m B. 59.5 sq m C. 38.25 sq m D. not enough information given
Mathematics
Solve for the indicated variable.Solve H = 
for F.
A. F = 
B. F = 
C. F = 
D. F = H
Mathematics