Given y = f(u) and u = g(x), find dy/dx = f'(g(x))g'(x).y = tan u, u = -10x + 18
A. - sec2(-10x + 18)
B. -10 sec2(-10x + 18)
C. -10 sec (-10x + 18) tan (-10x + 18)
D. sec2(-10x + 18)
Answer: B
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In an adiabatic process (one in which no heat transfer takes place), the pressure P and volume V of an ideal gas such as oxygen satisfy the equation 
where C is a constant. Suppose that at a certain instant of time, the volume of the gas is 2L, the pressure is 100 kPa, and the pressure is decreasing at the rate of 5 kPa/sec. Find the rate at which the volume is changing.
What will be an ideal response?
Graph the equation.
?
?
A. ?
B. ?
C. ?
D. ?
An arithmetic sequence is given. Find the common difference and write out the first four terms.{sn} = {n - 17}
A. d = 1; s1 = -16, s2 = -15, s3 = -14, s4 = -13 B. d = -1; s1 = 16, s2 = 15, s3 = 14, s4 = 13 C. d = 1; s1 = 16, s2 = 15, s3 = 14, s4 = 13 D. d = -1; s1 = -16, s2 = -15, s3 = -14, s4 = -13
Find the slope of the line passing through the points (2, 0) and (2, 6).
A. 4
B. 0
C. undefined
D. 
E. none of these