purchases Hew Pobotić welding equipment for $28.3 million. The value of the equipment will be depreciated at a rate of 14% per year. (a) Write an equation for a function V in millions of dollars that gives the value of the machinery after t years. V(t) = 28.3(.86)' (b) How long will it take for the equipment to be reduced to half its original value? (Round your answer to one decimal place.) 3.9 X years (c) Compute V'(4). (Round your answer to two decimal places.) million dollars per year Interpret your answer. After 4 years, the value of the equipment is decreasing at a rate of million dollars per year. (d) When will the value of the equipment be decreasing at a rate of $1 million per year? (Round your answer to one decimal place.) years

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Angles in Circles

Angles within a circle are feasible to create with the help of different properties of the circle such as radii, tangents, and chords. The radius is the distance from the center of the circle to the circumference of the circle. A tangent is a line made perpendicular to the radius through its endpoint placed on the circle as well as the line drawn at right angles to a tangent across the point of contact when the circle passes through the center of the circle. The chord is a line segment with its endpoints on the circle. A secant line or secant is the infinite extension of the chord.

Arcs in Circles

A circular arc is the arc of a circle formed by two distinct points. It is a section or segment of the circumference of a circle. A straight line passing through the center connecting the two distinct ends of the arc is termed a semi-circular arc.