N/A — Exam Answers

Which statements accurately compare the functions in the graph? Choose two correct answers.

Which statement is true?

The depth of the water, d , at the end of a pier changes periodically as a function of time, t , in hours as shown in the graph. According to the model, the last low tide occurred at 5:00 a.m. When will the next low tide occur? Let t is equal to 0 be 12:00 a.m.

In the given diagram, tangent theta is equal to square root of 3 What is the value of m ?

Assuming only positive domain values, which statement is true of the graph that represents the total cost, y , in dollars for shipping items that weigh x ounces?

Which function has the greater slope and what does it indicate?

A supervisor finds the mean number of miles that the employees in a department live from work. He finds line segment x is equal to 29 and s is equal to 3 point 6 Which mileage is within a z -score of negative 1 point 5 ?

What is the solution to 4 plus 5 e raised to the x plus 2 power is equal to 11 ?

By what approximate factor is the intensity of an earthquake with magnitude 5 point 4 greater than an earthquake with magnitude 5 point 3 ? cap m is equal to the log of open paren the fraction with numerator l and denominator l sub 0 close paren cap m is equal to the magnitude of an earthquake cap i is equal to the intensity of an earthquake cap i sub 0 is equal to the smallest seismic activity that can be measured, which is 1

What is the value of the log base 5 of 125 ?

Which survey is most likely affected by bias?

Marleny is creating a game of chance for her family. She has 5 different colored marbles in a bag: blue, red, yellow, white, and black. She decided that blue is the winning color. If a player chooses any other color, they lose 2 points. How many points should the blue marble be worth for the game to be fair?

What is the value of the log base 0 point 5 of 16 ?

Which of the following probabilities is the greatest for a standard normal distribution?

A simple random sample of 50 adults was surveyed, and it was found that the mean amount of time that they spend surfing the Internet per day is 54 point 2 minutes, with a standard deviation of 14 point 0 minutes. What is the 99 percent confidence interval open paren z - score is equal to 2 point 5 8 close paren for the number of minutes that an adult spends surfing the Internet per day? Remember, the margin of error, ME , can be determined using the formula ME is equal to the fraction with numerator z times s and denominator square root of n

What is the simplified form of the following expression? 5 square root of 8 minus square root of 18 minus 2 square root of 2

Which of the following is true regarding the solution to the logarithmic equation? log sub 2 of open paren x plus 11 close paren is equal to 4 x plus 11 is equal to 2 to the 4th power x plus 11 is equal to 16 x is equal to 5

Which step is included in the graph of the function f of x is equal to lceil x minus 1 rceil ?

David is a statistician. He has a sample size of 40 (which he cannot change). What element of his hypothesis test can he adjust to minimize the probability that he incorrectly rejects the null hypothesis?

According to a survey, 15 percent of city workers take the bus to work. Donatella randomly surveys 10 workers. What is the probability that exactly 6 workers take the bus to work? Round the answer to the nearest thousandth. cap p times k successes is equal to n cap c sub k p to the k th power open paren 1 minus p close paren raised to the n minus k power n cap c sub k is equal to the fraction with numerator n factorial and denominator open paren n minus k close paren factorial times k factorial