Decide whether the relation is a function.{(-1, -3), (3, 9), (5, -5), (7, 8), (12, -3)}
A. Function
B. Not a function
Answer: A
Mathematics
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Find the length of the curve.32xy2 - 4y6 = 8 between y = 1 to y = 4
A. 
B. 
C. 
D. 
Mathematics
Find the slope-intercept form of the line satisfying the given conditions.Parallel to -8x + 9y = -8; passing through (-8, -9)
A. y = 
x + 
B. y = - 
x + 
C. y = - 
x - 
D. y = 
x - 
Mathematics
Solve the equation after making an appropriate substitution.2(x + 1)2 + 6(x + 1) + 4 = 0
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.The weight that a horizontal beam can support varies inversely as the length of the beam. Suppose that a 10-m beam can support 270 kg. How many kilograms can a 5-m beam support?
A. 0.1852 kg B. 0.0019 kg C. 5.4 kg D. 540 kg
Mathematics