Find a vector equation for the line tangent to the curve of intersection of the surfaces       at the point (-1, 1, 1).

Find the sum 

The acceleration due to gravity on the Moon is only one-sixth of that on Earth, and the Moon has no atmosphere. If you hit a baseball on the Moon with the same effort (and therefore at the speed and angle) as on Earth, how far would the ball would travel on the Moon compared to on Earth? Neglect air resistance on Earth.

A boy throws a rock with an initial velocity of at 30.0° above the horizontal. How long does it take for the rock to reach the maximum height of its trajectory if air resistance is negligibly small and g = 9.80 m/s2?

Test 1 Reference Sheet Slope is   Slope Formula            

Determine whether the relation is a function. THEN find the domain and range of the relation.

Solve the system of equations.  

Find an equation of a line perpendicular to

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Evaluate the function