Factor completely.21t3 - 91t2 - 70t
A. 7(t + 5)(3t - 2)
B. t(3t + 2)(7t - 35)
C. (t2 - 5)(21t + 14)
D. 7t(t - 5)(3t + 2)
Answer: D
Mathematics
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a - 
b
B. 
a + 
b
C. 
a - 
b
D. 
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b
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Prove the identity.
?
What will be an ideal response?
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Determine the domain and the range of the function.f(x) = x2 + 2x
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Mathematics