Graph the inequality on a number line. Then write the solution using interval notation.x ? 7
A. (-?, 7)
B. (-?, 7]
C. [7, ?)
D. (7, ?)
Answer: C
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If I get a 5% raise each year for four consecutive years, that is the same as a 20% raise.
Answer the following statement true (T) or false (F)
Find all rational zeros of f. Then (if necessary) use the depressed equation to find all roots of the equation f(x) = 0.f(x) = x5 - 9x4 + 21x3 + 3x2 - 46x + 30
A. {-5, -3, -1, -
, 
}
B. {-5, -3, 1, -
, 
}
C. {1, 3, 5, -
, 
}
D. {0, 1, 3, 5, 
}
Solve the problem.A chemist needs 120 milliliters of a 69% solution but has only 61% and 73% solutions available. Find how many milliliters of each that should be mixed to get the desired solution.
A. 50 mL of 61%; 70 mL of 73% B. 80 mL of 61%; 40 mL of 73% C. 70 mL of 61%; 50 mL of 73% D. 40 mL of 61%; 80 mL of 73%
Evaluate the square roots first, then add, subtract, or multiply the results. Do not use a calculator or a square root table.
+ 
A. 12 B. -8 C. 104 D. 20