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• the graph of the function f(x) = (x + 2)(x + 6) is shown below. on a coordinate plane, a parabola opens up. it goes through (negative 6, 0), has a vertex at (negative 4, negative 4), and goes through (negative 2, 0). which statement about the function is true? the function is positive for all real values of x where x > –4. the function is negative for all real values of x where –6 < x < –2. the function is positive for all real values of x where x < –6 or x > –3. the function is negative for all real values of x where x < –2.
  
• a pet lizard and its shelter must be kept warm. what type of electromagnetic waves would most likely be used?
  
• a group of friends are ordering food. the total amount that they can spend on their food bill is $41, including the delivery charge of $6. the equation below represents the situation, where x is the cost of each friend's meal.
  
• the paleolithic period is ____________________ a. divided into three phases. b. also referred to as the new stone age. c. best known for its ceramics and human-like figures. d. took place between 40,000 and 4,000 bce. please select the best answer from the choices provided a b c d
  
• in this final stanza, what does the speaker mean with the phrase “its voyage closed and done”? the ship will not be taking any more voyages the army has won the war. the army has stopped fighting in the war. the ship is no longer accepting passengers.
  
• complete the paragraph about income sources. are debt instruments created to raise capital, and the investors can earn interest income from owning them. are financial investments that pool both stocks and bonds to diversify risk while maximizing return, and investors can make money on them through capital gains.
  
• the flag is an isosceles triangle. the bottom side of the flag measures 5 feet because the triangle is . because , the trigonometric triangle formula is used to calculate that the area is (5)(5)sin(36°) ≈ 7.35 square feet. recalling that this triangle is isosceles, we can write the area equation to solve for x. = (x)(5)sin( ). solving for x and adding this value to the length of the other sides, the perimeter ≈ (rounded to the nearest tenth).
  
• arc cd is one-fourth of the circumference of a circle. what is the radian measure of the central angle? startfraction pi over 4 endfraction radians startfraction pi over 2 endfraction radians 2π radians 4π radians
  
• there are 10 pencils in a desk. ninety percent of the pencils are sharpened. which equation can be used to find the number of sharpened pencils?
  
• mrs. jackson gives the table below to her students. in order for the function to be linear, what must a be and why? a = 22 because the rate of change is 1. a = 20 because the rate of change is 3. a = 22 because the rate of change is –1. a = 20 because the rate of change is –3.