Find the sum.45 + (-23)
A. -69
B. 68
C. -68
D. 22
Answer: D
Mathematics
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Solve the problem.The graph of y = f(x) in the accompanying figure is made of line segments joined end to end. Graph the derivative of f.
A. 
B. 
C. 
D. 
Mathematics
If the function is one-to-one, find its inverse. If not, write "not one-to-one."f(x) = 2x + 3
A. not a one-to-one
B. f-1(x) = 
- 3
C. f-1(x) = 
D. f-1(x) = 
Mathematics
Factor completely. If the polynomial is prime, state so.x8 - 1
A. prime B. (x2 - 1)(x2 + 1)(x4 + 1) C. (x - 1)(x + 1)3(x4 + 1) D. (x - 1)(x + 1)(x2 + 1)(x4 + 1)
Mathematics
Convert the number in the sentence to standard notation.The average distance from Earth to the Sun is 149.6 million kilometers.
A. 149,600,000,000,000 km B. 149,600 km C. 149,600,000 km D. 149,600,000,000 km
Mathematics