Write the expression in the standard form a + bi.If z = 3 - 6i and w = 1 + 5i, evaluate 
.
Fill in the blank(s) with the appropriate word(s).
4 - i
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Simplify the expression.125-4/3
A. 625
B. - 
C. -625
D. 
Evaluate.Find (f - g)(-4) when f(x) = -3x2 + 1 and g(x) = x + 7.
A. 51 B. -36 C. -50 D. -58
Solve.Find which is the better buy (lower cost per ounce) by finding each unit price rounded to three decimal places if necessary. Assume that different sizes of the same brand are being compared. Frozen orange juice: $4.23 for 18 ounces $2.82 for 12 ounces
A. $4.23 for 18 ounces B. $2.82 for 12 ounces C. Both cost the same per ounce.
Factor the polynomial f(x). Then solve the equation f(x) = 0.f(x) = x4 + 2x3 - 19x2 - 8x + 60
A. (x - 2)(x + 2)(x + 3)(x - 5); -2, 2, 3, -5 B. (x - 2)(x + 2)(x - 3)(x + 5); 2, -2, 3, -5 C. (x - 2)(x + 2)(x - 3)(x + 5); -2, 2, -3, 5 D. (x - 2)(x + 2)(x - 3)(x - 5); 2, -2, 3, 5