Solve the system by the substitution method.y = x2 - 10x + 25x + y = 7
A. (6, 13), (3, 4)
B. (6, 1), (3, 4)
C. (5, 2)
D. (-6, 13), (-3, 10)
Answer: B
Mathematics
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Calculate the flow in the field F along the path C.F = ey2i + 
j + 4k , C is the curve r(t) = 6t2i + 3tj + (-6 - 4t)k , 1 ? t ? 3
A. 
(e81 - e9) + ln 3 - 32
B. 6(e81 - e9) + ln 3 - 32
C. 
(e81 - e9) + ln 3 + 32
D. 
(e81 - e9) + ln 3 - 32
Mathematics
Solve the quadratic inequality. Write your answer in interval notation.x2 - 13x + 42 > 0
A. (7, ?) B. (6, 7) C. (-?, 6) D. (-?, 6) ? (7, ?)
Mathematics
Match the function with its graph.1) y = sin (x - 
)2) y = cos (x + 
)3) y = sin (x + 
)4) y = cos (x - 
)A)B)
?
height="200" width="200" />C)D)
?
A. 1A, 2B, 3C, 4D
B. 1B, 2D, 3C, 4A
C. 1A, 2D, 3C, 4B
D. 1C, 2A, 3B, 4D
Mathematics
Find the product.(2a)(6a2)
A. 12a3 B. 12a4 C. 8a3 D. 2a + 6a2
Mathematics