Jack invested some money in a bank at a fixed rate of interest compounded annually. the equation below shows the value of his investment after x years:

f(x) = 300(1.02)x

what was the average rate of change of the value of jack's investment from the third year to the fifth year?

If 90° < θ < 180° and cotθ = -1/3, then cscθ =

What is the slope of the line shown below?

Aresearch study is studying the effects of a new drug for osteoporosis alzheimer's disease (ad) for women above the age of 65 years. a group of individuals with osteoporosis is randomized into two groups. one group is treated conventionally, and the second group is treated with the new medication. assessments are made at 3, 6, 12, 36, and 48 months. the conventionally treated group is assessed for ad using a serum blood test, and the treatment group is assessed for ad using a pet radiotracer that binds to beta-amyloid plaques. in comparing these 2 trial arms, the authors of the study may encounter which type of bias? a. selection bias on the risk of developing b. measurement bias c. confounding bias d. recall bias e. lead-time bias