Simplify the expression. Leave answers with exponents.(7t)2
A. 72t2
B. 7t2
C. 14t2
D. 72t
Answer: A
Mathematics
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Determine the values of x for which the function is differentiable.y = 
A. Differentiable for x > -6 B. Differentiable for all real numbers except 6 C. Differentiable for x ? 6 D. Differentiable for x > 6
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Multiply and simplify if possible.
(
+ 
)
A. 441 + 7
B. 21 + 7
C. 42
D. 21 + 49
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Find all solutions of the equation in the interval [0, 2?).sec2 = 4
A. 
B. 
C. 
D. 
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Multiply.0.07 ? 0.06
A. 0.42 B. 0.042 C. 0.000042 D. 0.0042
Mathematics