Solve the equation and check your solution.-7x = 42
A. x = 1
B. x = -6
C. x = 49
D. x = -49
Answer: B
Mathematics
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Solve the rational equation. Be sure to verify the results.
- 
= 
+ 
A. {-1} B. {1} C. {0, 1} D. {0, -1}
Mathematics
Determine whether or not the function is one-to-one.f(x) = 
A. No B. Yes
Mathematics
Answer the question.Find a, b, and c so that the graph of the equation y = ax2 + bx + c passes through the points 
and 
A. y = 4x2 + 5x - 3 B. y = -4x2 + 5x + 3 C. y = 4x2 + 5x + 3 D. y = 4x2 - 5x + 3
Mathematics
Solve the problem.The polynomial 0.041h - 0.018A - 2.69 can be used to estimate the lung capacity, in liters, of a female with height h cm and age A years. Find the lung capacity of a 20-year-old woman who is 164 cm tall. Round to the nearest liter.
A. -5 liters B. 61 liters C. 10 liters D. 4 liters
Mathematics