For the function f whose graph is shown, state the following.
- ?
Mathematics
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Use the Trapezoidal Rule with n = 4 steps to estimate the integral.
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.A student deposits $350 into an account with an interest rate of r. If the interest is compounded annually, after 2 years, the amount of money in the account is given by 
. Find the polynomial that represents the amount of money in the account after 2 years. Use one of the formulas for squaring a binomial.
A. 350 + 700r + 350r2 B. 350 + 350r2 C. 350r D. 350 + 350r + 350r2
Mathematics
Evaluate the integral.
x dx
A. x cos-1x + 
+ C
B. x cos-1x - 
+ C
C. x cos-1x - 2
+ C
D. x cos-1x - 
+ C
Mathematics
Estimate the product by first rounding each number so that there is one nonzero digit.7.1 × 35
A. 400 B. 280 C. 2800 D. 28
Mathematics