A study done 15 years ago found that only 12% of adult South Africans had rudimentary literary skills. You believe that this proportion has increased. You randomly select 245 adults from around South Africa and find that 37 of them have rudimentary literary skills. Using this information, you do a hypothesis test using a 5% level of significance. Which of the following pairs of hypotheses do you use for your test?

A. H_0∶ π=0.15 vs H_a∶ π>0.15
B. H_0∶ π=0.12 vs H_a∶π >0.12
C. H_0∶π =0.12 vs H_a∶π ≠0.12
D. H_0∶π =0.12 vs H_a∶π <0.12
E. H_0∶ π =0.12 vs H_ a∶ π =0.15

  b.   the average rate of change of f(x) is less than the average rate of change of g(x).

step-by-step explanation:

since the length of the interval is the same in each case, we only need to compare the change in y-value to see which is greater.

so the change in y-value for function f is (6 )) = 9.

the table tells us

so the change in y-value for function g is (31 -1) = 30.

the change in y-value of f(x) on the interval is less than the change in y-value of g(x) on the same interval, so the average rate of change of f(x) is less than the average rate of change of g(x).

x

step-by-step explanation:

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step-by-step explanation: