Find the intercepts of the function f(x).f(x) = 7x - x3
A. x-intercepts: 0, 
, -
; y-intercept: 0
B. x-intercepts: 0, -7; y-intercept: 0
C. x-intercepts: 0, -7; y-intercept: 7
D. x-intercepts: 0, 
, -
; y-intercept: 7
Answer: A
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Perform the indicated operations. Write the result in the form a + bj.(3 + 
)(-9 - 
)
A. -27 - 20j
B. -7 + 21j
C. -7 - 21j
D. -47 - 21j
Multiply.
A. 3,531,400 B. 3,530,300 C. 3,531,300 D. 3,541,300
Solve the system using the inverse of the coefficient matrix of the equivalent matrix equation. 5x - 8y - z = -44 x - 4y + 5z = 6-4x + y + z = -12
A. (-7, 9, 14) B. (7, 9, 7) C. (7, 7, 9) D. No solution
Solve the problem.The ocean surface is at 0 ft elevation. A diver is underwater at an elevation of -190 ft near a rock formation. In this area, the ocean floor has an elevation of -282 ft. The rock formation rises to a peak 133 ft above the ocean floor. How many feet below the top of the rock formation is the diver?
A. 57 ft B. 149 ft C. 92 ft D. 41 ft