Is the following correspondence a function??

A. Yes
B. No


Answer: A

Mathematics

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Find the unit tangent vector for the curve given by r(t)=

Mathematics

Solve the problem.The total amount of mail delivered to 22 million Canadians in 1999 was 5.9 billion pieces. On average, how much mail did each Canadian receive in 1999?

A. 268.2 pieces B. 0.3 pieces C. 26.8 pieces D. 2681.8 pieces

Mathematics

Determine whether the slope of the line is positive, negative, zero, or undefined.

A. undefined B. negative C. positive D. zero

Mathematics

Find the x-intercepts and y-intercepts of the graph of the equation.y = x2 + 8

A. y-intercept (8, 0), no x-intercepts B. x-intercept (8, 0), no y-intercepts C. y-intercept (0, 8), x-intercept (8, 0) D. y-intercept (0, 8), no x-intercepts

Mathematics