The notation is a notation used to represent:

A. a conjunction
B. a disjunction
C. a conditional
D. a biconditional


Answer: C

Mathematics

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Compute the expected age ? of a British nurse in 1851. Assume that the table below shows the age distribution of nurses in Great Britain in 1851. Round your answer to nearest hundredth.  Age range (yr)20-29 30-39 40-49 50-59 60-69 70-79 80+ Midpoint (x)24.5 34.5 44.5 54.5 64.5 75.5 84.5 Percent of nurses5.8% 9.8% 19.4% 29.1% 25.1% 9.1% 1.7%

A. 54.50 B. 59.50 C. 53.76 D. 53.79 E. 43.79

Mathematics

Solve the problem.A study in a small town showed that the percent of residents who have college degrees can be modeled by the function  where x is the number of years since 2005. Does this model indicate that the percent of residents with a college degree is increasing or decreasing?

A. Decreasing B. Increasing

Mathematics

Graph the linear equation.y + 3 = 0

A.

B.

C.

D.

Mathematics

List the potential rational zeros of the polynomial function. Do not find the zeros.f(x) = x5 - 3x2 + 3x + 35

A. ± 1, ± 7, ± 5
B. ± 1, ± 7, ± 5, ± 35
C. ± 1, ± , ± , ± 
D. ± 1, ± , ± , ± , ± 7, ± 5, ± 35

Mathematics