Solve.x4 + 5x2 - 36 = 0
A. ±2, ±3
B. ±2, ±3i
C. ±3, ±2i
D. ±2i, ±3i
Answer: B
Mathematics
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Graph the polar equation.r = 4(1 -sin ?)
A. 
B. 
C. 
D. 
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Determine the letters or numbers.Break 1001101100111110011111001110 into groups of seven digits and write as capital letters.
A. MEND B. SOON C. MOON D. MASH
Mathematics
Use the fundamental identities to find the value of the trigonometric function.Find sin ?, given that cos ? = 
and tan ? < 0.
A. - 
B. - 
C. - 
D. -
Mathematics
Solve the problem.On the day when Julie left for her vacation, the function that converted U.S. dollars to British pounds was f(x) = 0.54521x, where x is the number of U.S. dollars and f(x) is the number of British pounds. Find the inverse function.
A. f-1(x) = 
B. f-1(x) = 
C. f-1(x) = 
D. f-1(x) = x - 0.54521
Mathematics