Answer the question or write an explanation.Are the expressions 
and 21 x2 + 1 equal?
What will be an ideal response?
No, 
is equal to 7x + 1
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Classify the function as a polynomial function, rational function, or root function, and then find the domain. Write the domain in interval notation.f(x) = 5x - 1
A. polynomial function; (0, ?) B. polynomial function; (-?, 0) ? (0, ?) C. polynomial function; [1, ?) D. polynomial function; (-?, ?)
Write the whole number in the sentence in standard form.Jamie drove five hundred twenty-seven miles to visit his parents.
A. 572 B. 5027 C. 527 D. 5270
Solve the problem.The formula for changing Celsius temperature to Fahrenheit temperature is 
The Fahrenheit temperature is a function of the Celsius temperature. Write the function in function notation. Find the Fahrenheit temperature that corresponds to 30° C.
A. F(C) = 
C + 32
48.7° F
B. F(C) = 
C + 32
86° F
C. C(F) = 
C + 32
48.7° F
D. C(F) = 
C + 32
86° F
Write the fraction.Of the 110 doctors at a hospital, 54 are women. What fraction of the doctors are women?
A. 
B. 
C. 
D. 