The first problem is Question 4: vector is described. Express the vector in terms of i and j. A quarterback releases a football with a speed of 38 feet per second at an ngle of 45° with the horizontal. he second problem is Question 7: ind the quadratic function y=ax2+bx+c whose graph passes through the given points.

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A: Cos(B) = ?

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A: Given,  The graph of the straight line and the curve  We have to write the solution of system of…

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Q: Consider the differential equation y'(x) = xeU – x.

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A: Use tan theta

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Q: e. lim f(1) f. lim f(r) 2 g. lim f(1)

A: e) -1+ is greater than -1, so we will take the second piece of the function

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A: This question is about application of complimentary angles

Q: Find the discriminant and determine how many solutions the function has. 222- 10z-5 The value of the…

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Q: Can you answer this question please?

A: Hey, since there is multiple sub part questions posted, we will answer first three sub part…