Use the given information to write an equation. Let x represent the number described in the exercise. Then solve the equation and find the number.If 5 times a number is added to -4, the result is equal to 9 times the number. Find the number.
A. 5x + (-4) = 9x; -1
B. 14x - 9x = 4; 1
C. 4x + (-4) = 9x; 1
D. 9(5x - 4) = -4; -1
Answer: A
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Find two paths of approach from which one can conclude that the function has no limit as (x, y) approaches (0, 0).f(x, y) = 
What will be an ideal response?
Convert the following octal number to decimal: 1618 = ________10
a. 108 b. 113 c. 128 d. 141 e. 150
Find the difference. Write the difference in lowest terms.
- 
A. 
B. 
C. 
D. 
Solve the problem or provide an explanation.Graph y = -x2 + 4x + 5 and f(x) = 
together on your graphing calculator. State the domain of f(x) and explain the connection between the domain of f(x) and the graph of 
A. The domain of f(x) is [-1, 5]. The domain of f(x) is the set of all x-values for which the graph of 
is on or above the x-axis.
B. The domain of f(x) is ?. There is no connection between the domain of f(x) and the graph of 
C. The domain of f(x) is (-?, -1] ? [5, ?). The domain of f(x) is the set of all x-values for which the graph of 
is on or below the axis.
D. The domain of f(x) is (-?, ?). The domain of f(x) is the same as the domain of y = -x2 + 4x + 5.