Factor out the GCF. If prime, so state.5x2 + 30x
A. x(5x + 30)
B. 5x2(x + 6)
C. 5x(x + 30)
D. 5x(x + 6)
Answer: D
Mathematics
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The figure shows the velocity v or position s of a body moving along a coordinate line as a function of time t . Use the figure to answer the question. s (m)
When is the body moving backward?
A. 2 < t < 3, 4 < t < 5, 7 < t < 8 B. 8 < t < 9 C. 2 < t < 3, 4 < t < 5, 7 < t < 9 D. 8 < t ? 10
Mathematics
Find projv u.v = 3j, u = 3i + 4k
A. 
i + 
j + 
k
B. 
j
C. 0
D. 
i + 
j
Mathematics
Find the x-intercepts of the function.h(x) = x2 + 4x - 20
A. (-2 - 2
, 0), (-2 + 2
, 0)
B. (-2
, 0), (2
, 0)
C. (2
- 2, 0), (2
+ 2, 0)
D. (-2 - 2
, 0), (-2 + 2
, 0)
Mathematics
Find the average rate of change for the function between the given values.f(x) = 
; from 2 to 8
A. 
B. 2
C. - 
D. 7
Mathematics