Write the phrase as a mathematical expression. Use x as the variable.Some number minus 140
A. 140
B. x + 140
C. 140x
D. x - 140
Answer: D
Mathematics
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Perform the indicated operations and simplify the expression.
?
?
A. 
B. 
C. 
D. 
E. 
Mathematics
Write the equation of the axis of symmetry.f(x) = -(x + 5)2 + 7
A. x = -5 B. x = 25 C. x = 7 D. x = 6
Mathematics
Rewrite the expression without absolute value bars.
A. -6 B. 2 C. -2 D. 6
Mathematics
Find dy/dx by implicit differentiation.y2 - x2 = 9
A. 
B. 
C. - 
D. - 
Mathematics