Use the properties of logarithms to find the exact value of the expression. Do not use a calculator.eln 9
A. ln 9
B. e9
C. 8
D. 9
Answer: D
Mathematics
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Find the standard equation of a parabola with the given focus or directrix. Assume that the vertex is at the origin.Directrix y = 3?
A. y2 = -12?x B. x2 = -12?y C. x2 = -3?y D. y2 = 4?x
Mathematics
A formula is given, along with values for all but one of the variables in the formula. Find the value of the variable that is not given.A = 
bh for b = 6, h = 6
A. A = 18 B. A = 36 C. A = 12.5 D. A = 12
Mathematics
For the function provided, find all values of x for which f(x) satisfies the indicated condition. Graph the solution on a number line.f(x) = x2 + 3x - 4, f(x) ? 0
A. 
B. 
C. 
D. 
Mathematics
Simplify. Write the answer using positive exponents only.
2
5
A. r247s3127 B. r247s27 C. r19s27 D. r19s3127
Mathematics