Find the function value. If it is undefined, say so. tan 1125°
A. -1
B. 1
C. 0
D. Undefined
Answer: B
Mathematics
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Show that the function is a solution of the wave equation.w(x, t) = ln 10cxt
A. No B. Yes
Mathematics
Solve the formula for the specified variable.P = s1 + s2 + s3 for s3
A. s3 = s1 + P - s2 B. s3 = P - s1 - s2 C. s3 = s1 + s2 - P D. s3 = P + s1 + s2
Mathematics
Perform the indicated operations and simplify the result. Leave the answer in factored form.
A. 2x + 13
B. 20
C. 
D. 10
Mathematics
Approximate the area under the curve and above the x-axis using n rectangles. Use left endpoints.f(x) = 3x2 - 2 from x = 1 to x = 5; n = 4
A. 82 B. 118 C. 154 D. 148
Mathematics