Suppose u and v are differentiable functions of x. Use the given values of the functions and their derivatives to find the value of the indicated derivative.u(2) = 9, u '(2) = 2, v(2) = -3, v '(2) = -4.
at x = 2
A. - 
B. - 10
C. 
D. 
Answer: D
Mathematics
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Graph the curve whose parametric representation is given. x = 4 cos2 t , y = 2 sin2t, 0 ? t ? 2?
A. 
B. 
C. 
D. 
Mathematics
Use the following table of values to estimate the value of 
at 
. Round your answer to two decimal places.
?
x 1 3 6 9
8 3 1 5?
A. -0.67
B. -2.00
C. 0
D. None of the above.
Mathematics
Find the absolute value.
A. 9
B. 
C. 
D. - 
Mathematics
Solve the equation. Express the solution in scientific notation.
= 6.7 × 10-8
A. {1.34 × 10-8} B. {1.34 × 108} C. {13.4 × 10-8} D. {134 × 10-9}
Mathematics