Multiply and simplify.(1 - cot ?)2
A. csc2? - 2 cot ?
B. 1 + 2 sin2?
C. cos2? - cot ?
D. sin ? + csc ?
Answer: A
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Write the function in the form y = f(u) and u = g(x). Then find dy/dx as a function of x.y = tan
A. y = tan u; u = ? - 
; 
= sec2
B. y = tan u; u = ? - 
; 
= 
sec2
C. y = tan u; u = ? - 
; 
= 
sec
tan
D. y = tan u; u = ? - 
; 
= sec2
Measurements are made at two different times. Find the absolute change and then find the percentage change. Round answers to the nearest tenth if necessary.In 1960, in the town of Thornton the percentage of 50 year old women that had never been married was 
Last year, the percentage of 50 year old women that had never been married was 
A. Absolute change: 178.6 percentage points Percentage change: 17.5% B. Absolute change: 17.5 percentage points Percentage change: 64.1% C. Absolute change: -17.5 percentage points Percentage change: -64.1% D. Absolute change: 17.5 percentage points Percentage change: 178.6%
Find the assessed value for the property.Fair market value:$189,000Rate of assessment:85%
A. $160,650 B. $28,350 C. $1,606,500 D. $80,325
Let U = {q, r, s, t, u, v, w, x, y, z}, A = {q, s, u, w, y}, B = {q, s, y, z}, and C = {v, w, x, y, z}. Find the indicated set.(
)
A. {r, t, v, x} B. {s, u, w} C. {t, v, x} D. {r, s, t, u, v, w, x, z}