Evaluate each expression following the order of operations.
A. 5
B. 4
C. 3.873
D. 3
Answer: B
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Rewrite the expression as the sum and/or difference of logarithms, without using exponents. Simplify if possible.log2
A. 
log2m + 
log2n - 
log2k
B. 5 log2m + 9 log2n - 2 log2k
C. 
log2m + 
log2n - 2 log2k
D. 
log2m ? 
log2n ÷ 2 log2k
Determine the number of possible positive and negative real zeros using Descartes’ Rule of Signs.
 figure 1.png)
(a) Positive real: exactly one; Negative real: exactly one
(b) Positive real: 2 or 0; Negative real: exactly 2
(c) Positive real: 4 or 0; Negative real: exactly one
(d) Positive real: exactly 4; Negative real: exactly one
(e) Positive real: 4, 2, or 0; Negative real: exactly one
Use your graphing calculator to find the x-intercepts of the function to the nearest tenth.f(x) = 3x3 + x2 - 21x - 7
A. 0.3, 2.6, -2.6 B. -3, 2.7, -2.7 C. -0.3, 2.6, -2.6 D. 3, 7, -7
Perform the indicated operations.(-5)(5)(-4)(-5)
A. 100 B. -500 C. -9 D. 500