It sounds like <em>R</em> is the region (in polar coordinates)
<em>R</em> = {(<em>r</em>, <em>θ</em>) : 2 ≤ <em>r</em> ≤ 3 and 0 ≤ <em>θ</em> ≤ <em>π</em>/2}
Then the integral is

Answer:
<h3>
3</h3>
Step-by-step explanation:
h(3) = 1
h(5) = 3
Their products :

Answer:
330
Step-by-step explanation:
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If vector A⃗ has components Ax and Ay and makes an angle θ with the +x axis, then tanθ = Ay/Ax to get the angle of the vector components. Since the trigonometric function of tanθ is sinθ over cosθ, and since sinθ = y/r and cosθ = x/r.
<span>

</span>The potential rational zeros are divisors of 14:

and the quotient p/q where p is a divisor of 1, and q is a divisor of 14: