Answer the question.f(x) = 
Is f continuous on (-2, 4]?
A. No
B. Yes
Answer: A
Mathematics
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Show that the function is a solution of the wave equation.w(x, t) = ex - ct
A. Yes B. No
Mathematics
Determine if the given polar coordinates represent the same point.(7, ?/4), (7, 5?/4)
A. No B. Yes
Mathematics
Simplify the trigonometric expression by following the indicated direction.Factor and simplify: 
What will be an ideal response?
Mathematics
Write the exponential equation as an equation involving a common logarithm or a natural logarithm.ex = 7
A. ln 7 = x B. ln x = 7 C. logx e = 7 D. log7 x = e
Mathematics