Write the trigonometric expression as an algebraic expression containing u and v.cos (sin-1 u + cos-1 v)
A. v
+ u
B. uv + (
)(
)
C. uv - (
)(
)
D. v
- u
Answer: D
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The consumption function will shift upward when
A) real income increases. B) saving increases. C) the real wealth of the average household increases. D) population decreases.
Write the first five terms of the arithmetic sequence with the given first term a and common difference d.a = 4; d = 5
A. 4, 8, 12, 16, 20 B. 4, 9, 14, 19, 24 C. 9, 14, 19, 24, 29 D. 0, 4, 9, 14, 19
Establish the identity.
= 
What will be an ideal response?
Which theory emphasizes how cognitive development proceeds as a result of social interactions between members of a culture?
A. interconnectedness B. sociocultural C. bioecological D. contextual