Find the value of the polynomial at the given replacement values.x + 10 when x = 4
A. 6
B. 14
C. 28
D. 40
Answer: B
Mathematics
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Express as a difference of logarithms.log4
A. log4 3 - log4 2 B. log4 2 - log4 3 C. log4 2 + log4 3 D. log2 2 - log2 3
Mathematics
Determine whether the function is a probability density function over the given interval.f(x) = 10x over 
A. Yes B. No
Mathematics
Sketch the graph of the quadratic function. Identify the vertex and axis of symmetry.f(x) = (x + 4)2
A. vertex (-4, 0)
axis of symmetry: x = -4
B. vertex (0, 4)
axis of symmetry: x = 0
C. vertex (0, -4)
axis of symmetry: x = 0
D. vertex (4, 0)
axis of symmetry: x = 4
Mathematics
Solve the problem.How many liters of a 10% alcohol solution must be mixed with 70 liters of a 60% solution to get a 30% solution?
A. 175 L B. 10.5 L C. 105 L D. 17.5 L
Mathematics