Subtract the real numbers. Write any improper fraction as a whole or mixed number where appropriate.2
- 
A. 4
B. 3
C. -3
D. -3
Answer: A
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Use implicit differentiation to find the specified derivative at the given point.Find 
at the point (8, 1, -1) for ln 
- exy+z2 = 0.
A. 
B. 
C. 
D. 
The percent of a certain brand of computer chips that will fail after t years of use is estimated to be
?
.
?
What percent of this brand of computer chips are expected to be usable after 6 years?
?
A. 71.3% B. 56.7% C. 69.9% D. 64.2%
Write the rate as a simplified fraction. Then write the rate in word form.60 goals for 8 soccer games
A. 
2 goals for every 15 soccer games
B. 
8 goals for every 15 soccer games
C. 
15 soccer games for every 2 goals
D. 
15 goals for every 2 soccer games
Find the axis of symmetry of the quadratic function.f(x) = -x2 + 8x - 5
A. x = 11 B. x = -4 C. x = 8 D. x = 4