Find the domain and range.f(x) = (x + 2)2 - 1
A. Domain: All real numbers; range: y ? -1
B. Domain: All real numbers; range: y > -2
C. Domain: x > -2; range: All real numbers
D. Domain: x > -1; range: All real numbers
Answer: A
Mathematics
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Find the indicated limit.
A. 8 B. 1 C. 16 D. Does not exist
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Evaluate the integral.
sin t dt
A. 
B. 
C. 
D. 6
Mathematics
Show that the equation is not an identity by listing the value(s) of the variable from among 0, 
, 
, and - 
for which the equation is false.sin ? + sin 
= sin (? + 
)
A. 
and 0
B. 
, 
, and - 
C. 
, 
, and 0
D. 
and - 
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Factor completely. If unfactorable, indicate that the polynomial is prime.20m8 + 28m4 + 12m2
A. 4(5m8 + 7m4 + 3m2) B. prime C. 4m2(5m6 + 7m2 + 3) D. m2(20m6 + 28m2 + 12)
Mathematics