Decide whether the relation is a function.{(-7, 8), (-3, 6), (-1, 1), (3, 4)}
A. Function
B. Not a function
Answer: A
Mathematics
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Factor completely. If a polynomial cannot be factored, say it is prime.24x3 + 28x2 - 12x
A. 4x(2x + 3)(3x - 1) B. 4(2x2 + 3)(3x - 1) C. x(2x + 3)(12x - 4) D. x(8x + 12)(3x - 1)
Mathematics
Use logarithmic differentiation to find the derivative of y with respect to the independent variable.y = (5x + 3)x
A. (5x + 3)x
B. (5x + 3)x
C. x ln (5x + 3)
D. ln (5x + 3) + 
Mathematics
Identify the number as either prime or composite.198
A. Prime B. Composite
Mathematics
Solve the differential equation subject to the initial conditions.y' + y = 2ex; y = 11 when x = 0
A. y = ex + 10e-x B. y = 11ex C. y = 2ex + 8e-x D. y = 4e2 + 20e-x
Mathematics