Find the slope and the y-intercept of the given line.y = -4x + 7
A. -4, (0, -7)
B. 7, (0, -4)
C. -7, (0, -4)
D. -4, (0, 7)
Answer: D
Mathematics
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Determine whether or not the graph is a graph of a function of x.
A. Function B. Not a function
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Use the figure below to answer the question. m?COD= 80°, AB = 20°, PB= 6 ft, PA= 8 ft and AC = 5 ft.
 FIGURE.png)
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Write the vector in the form ai + bj. Round a and b to 3 decimal places if necessary.Direction angle 140°, magnitude 2
A. 1.532i + 1.286j B. 1.286i + 1.532j C. -1.532i + 1.286j D. 1.286i - 1.532j
Mathematics
Use the summation properties and rules to evaluate the series. The following rules may be needed: 
.
A. 8 B. - 768 C. - 256 D. - 64
Mathematics