Find the x-intercept and the y-intercept of the graph of the equation. Do not graph the equation.2x + y = 2
A. x-intercept = 1; y-intercept = 2
B. x-intercept = 2; y-intercept = 1
C. x-intercept = -2; y-intercept = 6
D. x-intercept = 1; y-intercept = 0
Answer: A
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Find the unit tangent vector T and the principal unit normal vector N. r(t) = (4 + t)i + (4 + ln(sec t))j - 9k, -?/2 < t < ?/2
A. T = (cos t)i + (sin t)j; N = (- sin t)i + (cos t)j B. T = (cos t)i - (sin t)j; N = (-sin t)i - (cos t)j C. T = (-cos t)i - (sin t)j; N = (sin t)i - (cos t)j D. T = (-cos t)i - (sin t)j; N = (-cos t)i + (sin t)j
Find the center-radius form of the equation of the circle satisfying the given conditions.Center (13, 6), tangent to the x-axis
A. (x - 13)2 + (y - 6)2 = 169 B. (x - 13)2 + (y - 6)2 = 36 C. (x - 6)2 + (y - 13)2 = 6 D. (x - 6)2 + (y - 13)2 = 169
Victor found 5 cars online that he is going to go and see. The prices of the cars are: $5,000, $4,500, $5,500, $3,999, and $4,999. The median car price is $4,799.60.
Answer the following statement true (T) or false (F)
Solve and graph. Write the result in interval notation.z + 4 < -3 
A. (-?, -7]
B. [-7, ?)
C. (-?, -7)
D. (-7, ?)