If a projectile is fired with an initial speed of
ft/s an angle ? above the horizontal, then its position after t seconds is given by the parametric equations
and
where x and y are measured in feet.
Suppose a gun fires a bullet into the air with an initial speed of 1024 ft/s at an angle of 30° to the horizontal. What is the maximum height attained by the bullet?
4096 ft
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Evaluate the expression.(-4)-1
A. -4
B. -
C.
D. 4
Write the equation of the graph after the indicated transformation(s). The graph of y = x2 is shifted 4 units to the right. This graph is then vertically stretched by a factor of 6 and reflected across the x-axis. Finally, the graph is shifted 8 units upward.
A. y = -6(x + 4)2 + 8 B. y = -6(x + 8)2 + 4 C. y = -6(x - 4)2 - 8 D. y = -6(x - 4)2 + 8
Use a percent proportion to answer the question.What is 80% of 500 universities?
A. 40,000 universities B. 4000 universities C. 400 universities D. 40 universities
Solve.A recipe calls for cup of milk. How much milk should be used to make
of the recipe?
A. cup
B. cup
C. cup
D. cup