Solve by the substitution method.9x - 7y = -94x + 5y = -4
A. (-1, 0)
B. (-9, -4)
C. (0, -1)
D. (-2, 1)
Answer: A
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Suppose that the functions f and g and their derivatives with respect to x have the following values at the given values of x. Find the derivative with respect to x of the given combination at the given value of x.
g(x + f(x)), x = 3
A. -24 B. -28 C. 21 D. -4
Solve the problem.Suppose that we wish to distribute the two-digit random numbers from 00 through 99 such that the corresponding random numbers can be used to simulate the sightings of UFO's in a given region. If the numbers 00 to 40 correspond to 0 sightings, what is the estimated probability of 0 sightings?
A. 
B. 
C. Not possible to tell with the given information.
D. None of the above is correct.
Add or subtract.(8x8 + 4x7 - 6x6 + 4) - (3x8 - 8x7 + 9x6 - 6)
A. 11x8 - 4x7 + 3x6 - 2 B. 5x8 - 4x7 + 3x6 - 2 C. 11x8 - 4x7 + 3x6 + 10 D. 5x8 + 12x7 - 15x6 + 10
For the functions f and g, find the requested value.Evaluate (f ? g)(1).y = f(x)y = g(x)
?
A. 3 B. 1 C. 5 D. 2