Below is given the plot of a vector field F in the xy-plane. (The z-component of F is 0.) By studying the plot, determine whether div F is positive, negative, or zero. Select the correct answer.
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a. cannot be determined
b. zero
c. negative
d. positive
d. positive
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Solve the problem.The graph below shows the height, in feet, of a ball thrown straight up with an initial speed of 96 feet per second from an initial height of 112 feet after t seconds. 
What is the height of the ball after 1.5 seconds?
A. approximately 200 feet B. approximately 225 feet C. approximately 250 feet D. approximately 240 feet
Provide an appropriate response.Using a graphing calculator, choose the inequality that corresponds to the graph:
A. y ? - 2x2 B. y > - 2x2 C. y < - 2x2 D. y ? - 2x2
Rewrite the rational expressions as equivalent expressions with the LCD.
and 
A. 
and 
B. 
and 
C. 
and 
D. 
and 
Express in terms of sums and differences of logarithms.loga3x6yz3
A. loga3 ? 6logax ? logay ? 3logaz B. loga3 + 6logax + logay + 3logaz C. 18 loga3xyz D. loga3 + loga6x + logay + loga3z