Solve the inequality. Describe the solution set with interval notation.6 - 2(2 - x) ? -8
A. (-?, -5)
B. (-?, -4]
C. [-5, ?)
D. (-?, -5]
Answer: D
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The graph shows the percentage of households in a certain city watching television during a 24-hr period on a weekday (t=0 corresponds to 6 a.m.). By computing the slope of the respective tangent line, estimate the rate of change of the percentage of households watching television at a-12 p.m. Note that dy=0.03
Write an algebraic equation and use it to solve the problem.Don James wants to invest $54,000 to earn $4700 per year. He can invest in bonds paying
per year or in a Certificate of Deposit (CD) paying
per year. How much money should be invested in each to realize exactly $4700 in interest per year?
A. $28,000 in B-rated bonds and $26,000 in a CD B. $29,000 in B-rated bonds and $25,000 in a CD C. $25,000 in B-rated bonds and $29,000 in a CD D. $26,000 in B-rated bonds and $28,000 in a CD
Perform the indicated operation. Write your result in a + bi form.
A. -
i
B. - +
i
C. - 2 + i
D. -
i
Evaluate the expression.
a.
b.
c.
d.
e. not possible