1. Which two of these statements are true about
the intercepts for the graph of the exponential
function y = 4(2)* + 3?
a. The y-intercept is 2.
B. The y-intercept is 4.
C. The y-intercept is 7.
d. The graph has no y-intercept.
e. The x-intercept is 0.
f. The x-intercept is 3.
g. The x-intercept is -
h. The graph has no x-intercept.

3.17 scores on stats final. below are final exam scores of 20 introductory statistics students. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 57, 66, 69, 71, 72, 73, 74, 77, 78, 78, 79, 79, 81, 81, 82, 83, 83, 88, 89, 94 (a) the mean score is 77.7 points. with a standard deviation of 8.44 points. use this information to determine if the scores approximately follow the 68-95-99.7% rule. (b) do these data appear to follow a normal distribution? explain your reasoning using the graphs provided below.