Simplify the expression. Assume all variables represent positive real numbers.
A. 7
B. 
C. 
D. 
Answer: C
Mathematics
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For the given f(x), state the initial value C, the growth or decay factor a, and percent change R for each unit increase in x.f(x) = 8.6(0.89)x
A. C = 7.654; a = 0.89; R = -11% B. C = 8.6; a = 0.89; R = -11% C. C = 8.6; a = 1.89; R = 189% D. C = 7.654; a = 1.89; R = 11%
Mathematics
Write a chain rule formula for the following derivative.
for w = f(x, y, z); x = g(r, s, t), y = h(r, s, t), z = k(r, s, t)
A. 
= 
+ 
+ 
B. 
= 
+ 
+ 
C. 
= 
+ 
+ 
D. 
= 
+ 
Mathematics
Find the inverse, if it exists, of the given matrix.
A. 
B. 
C. 
D. 
Mathematics
Find an equation for the line, in the indicated form, with the given properties. Containing the points (3, 5) and (-2, -9); general form
A. 14x + 5y = -17 B. 2x - 7y = -67 C. -2x + 7y = -67 D. -14x + 5y = -17
Mathematics