Combine like terms and write the resulting polynomial in descending order of degree.
x2 - 
x + x3 - 
x2 - 2x + 7
A. x3 - 
x2 + 7
B. x3 - 
x + 7
C. x3 + 
x2 - 
x + 7
D. x3 - 
x + 7
Answer: D
Mathematics
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Graph the inequality.y ? x2 + 4x + 3
A. 
B. 
C. 
D. 
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State the phrase as a mathematical expression. Use x to represent the variable.A number increased by seven
A. x - 7 B. 7x C. 7 D. x + 7
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For the pair of functions, find the indicated sum, difference, product, or quotient.f(x) = 
, g(x) = 
Find (f - g)(x).
A. 
B. 
- 
C. 
- 
D. 
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Find the circumference and area of a circle having the given diameter or radius. Use 3.14 for ?. Round your results to the nearest tenth.d = 9
mi
A. 29.8 mi; 29.8 mi2 B. 14.9 mi; 283.4 mi2 C. 14.9 mi; 59.7 mi2 D. 29.8 mi; 70.8 mi2
Mathematics