Simplify using the zero-power rule.(-9x)0
A. 0
B. -1
C. 1
D. -9
Answer: C
Mathematics
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Find the derivative of the function.h(x) = 
4
A. 4
3
B. 
3
C. -4
3
D. 
Mathematics
Find all positive and negative integers b such that the trinomial is factorable.x2 + bx - 2; b = ?
A. 3 B. ±1 C. ±3 D. 1
Mathematics
Solve the linear system using an inverse matrix. x + 2y + 3z = 10 x + y + z = -42x + 2y + z = -5
A. (-21, 20, -3) B. (40, 8, -5) C. (-14, 50, 7) D. (-11, -20, -13)
Mathematics
Translate the English expression into an algebraic expression. Use x to represent the unknown number.The quotient of 22.7 and a number
A. 
B. 22.7 - x
C. 22.7x
D. 
Mathematics