Evaluate f(x) at the given value of x.f(x) = 3x2 + 10x + 2 for x = -4
A. 6
B. 0
C. -50
D. 10
Answer: D
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Solve the problem.Show that the value of the integral does not depend on the path taken from A to B.
+ 3y dy + 8xz dz
What will be an ideal response?
Answer the question.Which of the following is NOT listed as a suggestion to follow when preparing for an exam?
A. Reread the sections in the textbook that will be covered on the exam. B. Revisit your homework and the chapter review problems. C. Relax, and work on the exam thoughtfully. D. Test yourself.
The height (in feet) of a certain kind of tree is approximated by 
where t is the age of the tree in years. Estimate the age of a 70-ft tree. Round your answer to the nearest hundredth.
?
__________ years
Fill in the blank(s) with the appropriate word(s).
Solve the problem.The hydrogen ion concentration [H+] of a cleaning solution is 5.4 × 10-12 moles per liter. Find the pH value of the solution to the nearest tenth. Is the cleaning solution acidic or basic?
A. pH ? 11.3, basic B. pH ? 13.7, basic C. pH ? 4.3, basic D. pH ? 6.5, acidic