Find the slope of the line through the points and interpret the slope. 
A. - 
; for every 7-unit increase in x, y will decrease by 1 unit
B. -7; for every 1-unit increase in x, y will decrease by 7 units
C. 
; for every 7-unit increase in x, y will increase by 1 unit
D. 7; for every 1-unit increase in x, y will increase by 7 units
Answer: C
Mathematics
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Find the slope of the curve at the given point P and an equation of the tangent line at P.y = x2 + 11x - 15, P(1, -3)
A. slope is 
; y = 
+ 
B. slope is 13; y = 13x - 16
C. slope is - 
; y = - 
+ 
D. slope is -39; y = -39x - 80
Mathematics
Graph the equation by plotting points.y = -4x - 5
A. 
B. 
C. 
D. 
Mathematics
Solve the problem. Round your answer to three decimals.What annual rate of interest is required to triple an investment in 10 years?
A. 7.177% B. 10.986% C. 5.806% D. 11.612%
Mathematics
Simplify.
A. -1
B. 0
C. 1
D. 
Mathematics