Solve the equation.
= -8
A. {64}
B. {8}
C. 
D. ?
Answer: D
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Find n(A) for the set A.A = {2, 2, 3, 3, . . ., 6, 6}
A. n(A) = 3 B. n(A) = 5 C. n(A) = 10 D. n(A) = 6
Suppose C(x) measures an economy's personal consumption expenditure and x the personal income, both in billions of dollars. Then, 
measures the economy's savings corresponding to an income of x billion dollars. Then 
.
?
The quantity 
is called the marginal propensity to save.
?
For the consumption function 
, where C(x) and x are measured in billions of dollars, find the marginal propensity to save when 
.
?
Round the answer to three decimal places, if necessary.
?
$__________ billion/billion dollars
Fill in the blank(s) with the appropriate word(s).
Factor by factoring out the negative of the GCF.-9x - 27
A. -9(x + 27) B. -3(x + 9) C. -9 D. -9(x + 3)
For the given correspondence, write the domain and the range. Then determine whether the correspondence is a function.{(-8, -6), (5, 2), (1, 1), (-8, -4), (9, -4)}
A. domain: {-8, 1, 5, 9}, range: {-6, -4, 1, 2, -4}; No, it is a not a function. B. domain: {-6, -4, 1, 2, -4}, range: {-8, 1, 5, 9}; No, it is a not a function. C. domain: {-6, -4, 1, 2, -4}, range: {-8, 1, 5, 9}; Yes, it is a function. D. domain: {-8, 1, 5, 9}, range: {-6, -4, 1, 2, -4}; Yes, it is a function.