Determine whether the function is a solution of the wave equation.w = sin(10x + 10ct)
A. Yes
B. No
Answer: A
Mathematics
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Find the first term and the common ratio for the geometric sequence. Round approximations to the nearest hundredth.a2 = -10, a4 = -250
A. a1 = -250, r = -0.2 B. a1 = 2, r = -0.2 C. a1 = 10, r = 5 D. a1 = 2, r = -5
Mathematics
Graph using the slope and the y-intercept.y = 
x
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.The table below shows the results of a consumer survey of annual incomes in 100 households. 
What is the probability that a household has an annual income between $15,000 and $44,999 inclusive?
A. 0.48 B. 0.3 C. 0.78 D. 0.5
Mathematics
Complete the identity.tan 
- cot 
= ?
A. 2 cot ? B. -2 cot ? C. -2 csc ? D. 2 csc ?
Mathematics