Simplify the expression by combining like terms if possible.8x + x
A. 9x
B. 10x
C. 8x
D. 8x + 1
Answer: A
Mathematics
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Find the derivative of the function by using the definition.y = 3x2 - 9x
A. 6x - 9 B. 3x - 9 C. 6x D. 6x2 - 9x
Mathematics
Add in the indicated base.445 + 335
A. 1325 B. 1315 C. 2315 D. 1225
Mathematics
Name the property that justifies the statement. All variables represent real numbers.(14 + f) + 15.7 = 14 + (f + 15.7)
A. Commutative property of addition B. Inverse property of addition C. Associative property of addition D. Distributive property of multiplication over addition
Mathematics
Provide an appropriate response.The "trapezoidal" sum can be calculated in terms of the left and right-hand sums as ? .
A. left-hand sum - right-hand sum
B. left-hand sum + right-hand sum
C. 
D. None of the above is correct.
Mathematics