Find the missing factor.x2 + 3x - 28 = (x - 4)( )
A. (x + 7)
B. (x - 4)
C. (x - 7)
D. (x + 4)
Answer: A
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Evaluate the function for the given value of x.f(x) = x2 + 9 , x = 5
A. f(5) = 24 B. f(5) = 46 C. f(5) = 34 D. f(5) = -21
Answer the question.A cell has at least 3 and at most 47 nuclei. How many cells must a scientist view under his microscope to be certain that at least two cells have the same number of nuclei?
A. 45 cells B. 47 cells C. 44 cells D. 46 cells
Test the vector field F to determine if it is conservative.F = xyi + yj + zk
A. Conservative B. Not conservative
Determine whether the system of equations is consistent with independent equations, consistent with dependent equations, or inconsistent. How many solutions does the system have?
A. Consistent with dependent equations; infinite number of solutions B. Inconsistent; no solution C. Consistent with independent equations; one solution