An expression is shown below: f(x) = 2x2 + 50 - 3

Part A: What are the x-intercepts of the graph of f(x)? Show your work factoring and using the Zero Product
Property.

Part B: Is the vertex of the graph of f(x) going to be a maximum or minimum? What are the coordinates of the
vertex? Justify your answers and show your work using the vertex formula.

Part C: Identify the point of the y-intercept for f(x).

Part D: What are the steps you would use to graph f(x)? Justify that you can use the answers obtained in Part
A, Part B, and Part C to draw the graph. Draw the graph.

Find the area of a trapezoid with bases 14 cm and 18 cm and height 10 cm. 160 cm2 140 cm2 180 cm2 126 cm2

Ariana starts with 100 milligrams of a radioactive substance. the amount of the substance decreases by 20% each week for a number of weeks, w. the expression 100(1−0.2)w finds the amount of radioactive substance remaining after w weeks. which statement about this expression is true? a) it is the difference between the initial amount and the percent decrease. b) it is the difference between the initial amount and the decay factor after w weeks. c) it is the initial amount raised to the decay factor after w weeks. d) it is the product of the initial amount and the decay factor after w weeks.

This summer the number of tourists in salem increased 4.5% from last years total of 426000. how many more tourists came to salem this summer