Find the slope of the curve at the given point P and an equation of the tangent line at P.y = x2 + 5x, P(4, 36)
A. slope is -39; y = -39x - 80
B. slope is 
; y = 
+ 
C. slope is 13; y = 13x - 16
D. slope is - 
; y = - 
+ 
Answer: C
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Find the product.(-3x + 9)(-5x + 3)
A. 15x2 - 54x + 27 B. 15x2 - 54x - 54 C. -8x2 - 54x + 27 D. -8x2 - 54x - 54
Use the graph to find the intervals on which it is increasing, decreasing, or constant.
A. Increasing on (-?, ?)
B. Decreasing on 
; increasing on 
C. Increasing on 
and 
; decreasing on 
D. Decreasing on 
and 
; increasing on 
Write the decimal number in the form indicated.9.57, in words
A. nine and fifty-seven hundredths B. nine and fifty-seven thousandths C. nine and fifty-seven millionths D. nine and fifty-seven tenths
Solve.Amy teaches Chinese lessons for $95 per student for a 6-week session. From one group of students, she collects $3800. Find how many students are in the group.
A. 42 students B. 44 students C. 40 students D. 30 students