Indicate whether the function is one-to-one.A = {(-16, 16), (-13, 16), (-15, -12)}
A. No
B. Yes
Answer: A
Mathematics
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Perform the indicated operation and simplify.
? 
A. 
B. 
C. 
D. 
Mathematics
Use natural logarithms to solve the exponential equation symbolically.2(10 - 2x) = 64
A. x = - 5 + 
B. x = 
+ 10
C. x = 5 - 
D. x = - 
- 10
Mathematics
Find all values of x in the interval [0°, 360°) that satisfy the equation. Round approximate answers to the nearest tenth of a degree.cos2 x + cos x - 1 = 0
A. {51.8°, 308.2°} B. {49.8°, 130.2°, 229.8°, 310.2°} C. {70.5°, 109.5°, 180°} D. {103.2°, 145.2°, 283.2°, 325.2°}
Mathematics
Write the fraction in simplest form.
A. 
B. 
C. 
D. 
Mathematics