Express the interval in set builder notation and graph the interval on a number line.(-?, 2.5)
A. {
x < 2.5}
B. {
x ? 2.5}
C. {
x ? 2.5}
D. {
x > 2.5}
Answer: A
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1,580,000 ohms =
a. 1.58 kilohms b. 1.58 milliohms c. 1.58 microhms d. 1.58 megohms e. 1.58 teraohms
Use Descartes's Rule of Signs to determine the possible number of positive and negative real zeros for the given function.f(x) = x5 + x4 + x2 + x + 9
A. 0 positive zeros, 0 negative zeros B. 0 positive zeros, 2 or 0 negative zeros C. 0 positive zeros, 1 negative zero D. 0 positive zeros, 3 or 1 negative zeros
Use a double-angle identity to find the exact value of the expression.
A. 
B. 
C. 
D. 
What color code on the first three bands is needed for the resistance?
?
A. First band Second band Third band
yellow violet brown
B. First band Second band Third band
violet green yellow
C. First band Second band Third band
brown green violet
D. First band Second band Third band
brown yellow green
E. First band Second band Third band
violet brown violet