Let f(x)=ex.
1
Use (a) the Trapezoidal Rule and (b) Simpson's Rule to approximate the integral ∫ f(x).dx with n = 10. Give each answer correct to eight decimal places.
0
T10=
S10=

1
c. Evaluate ∫ e^x. dx
0
Integral =

This is so hard and it’s for a test

Tim's phone service charges $26.39 plus an additional $0.21 for each text message sent per month. if tim's phone bill was $31.64, which equation could be used to find how many text messages, x, tim sent last month?

Atextile fiber manufacturer is investigating a new drapery yarn, which the company claims has a mean thread elongation of 12 kilograms with a standard deviation of 0.5 kilograms. the company wishes to test the hypothesis upper h subscript 0 baseline colon mu equals 12 against upper h subscript 1 baseline colon mu less-than 12 using a random sample of n equals 4 specimens. calculate the p-value if the observed statistic is x overbar equals 11.8. round your final answer to five decimal places (e.g. 98.76543).