The graph of a function f is given. Use the graph to answer the question.What is the domain of f?
A. all real numbers
B. {x|-20 ? x ? 27.5}
C. {x|-25 ? x ? 25}
D. {x|x ? 0}
Answer: C
Mathematics
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Use Euler's method to calculate the first three approximations to the given initial value problem for the specified increment size. Round your results to four decimal places.y' = y2(1 - 2x), y(-1) = -1, dx = 0.5
A. y1 = 0.7, y2 = 0.99, y3 = 1.2656 B. y1 = 0.5, y2 = 0.75, y3 = 1.03125 C. y1 = 0.7, y2 = 0.99, y3 = 1.9136 D. y1 = 0.4, y2 = 0.63, y3 = 0.7472
Mathematics
Solve the equation.
x - 
x = 0.75
A. 1
B. 3
C. 
D. 2
Mathematics
Write the improper fraction as a mixed number or an integer.
A. 4
B. 
C. 3
D. 2
Mathematics
Factor, if possible.5x2 - 30x + 45
A. (5x - 15)(x - 3) B. 5(x + 3)2 C. 5(x - 3)2 D. Prime polynomial
Mathematics