Check an answer and help with one section.
What is the formula for an exponential growth and an exponential decay formula? What are the similarities and differences?
So far I have that the formulas are as follows, correct?
Exponential growth formula = y=2^x
Exponential decay formula =y=(½)^x

Henry is an avid reader, he devours 90 pages in half an hour how many pages has henry read per minute?

17. a researcher measures three variables, x, y, and z for each individual in a sample of n = 20. the pearson correlations for this sample are rxy = 0.6, rxz = 0.4, and ryz = 0.7. a. find the partial correlation between x and y, holding z constant. b. find the partial correlation between x and z, holding y constant. (hint: simply switch the labels for the variables y and z to correspond with the labels in the equation.) gravetter, frederick j. statistics for the behavioral sciences (p. 526). cengage learning. kindle edition.

Which expressions equal 9 when x=4 and y=1/3 a. x2+6y b. 2x + 3y c. y2-21x d. 5 (x/2) -3y e. 3x-9y