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• a piecewise function is represented by the graph below. on a coordinate plane, a piecewise function has 2 lines. the first line is made up of 2 lines. one line goes from (negative 5, 3) to (negative 1, negative 1) and then goes up to a closed circle at (1, 1). the second line has an open circle at (1, 2) and then continues up through (3, 4). what is the domain for the piece of the function represented by f(x) = x + 1? x < –1 –1 ≤ x ≤ 1 1 ≤ x < 2 x > 1
  
• johanna is studying what happens to the energy as a ball rolls down a ramp. what is one form of energy that she is studying?gravitational potential energyelectrical energychemical energyelastic potential energy
  
• the garafuna are descended from slaves that were shipwrecked on what island? tartuffe managua st. vincent athabasca
  
• an enumerated power the president has is nominating and appointing officials. serving as leader of the senate. directing the judicial branch. creating monuments and parks.
  
• which of the following statements is true? a. all cells contain at least one tissue. b. only some organs contain cells. c. organs are made up of cells and tissues. d. tissues are made up of organs and cells.
  
• what are some options available in the spelling and grammar checker? check all that apply.
  
• north vietnam received military weapons and other support from the soviet union and
  
• each graph below represents a function. drag the correct domain for each function into the box under its graph.
  
• students attending schools with mandatory uniform policies experience less pressure than do students who must choose their wardrobes. this is because school uniforms allow students and their parents to save money and time. the financial investment in uniforms at the beginning of the school year is far more economical than the purchase of an entire wardrobe of designer clothes and trendy styles. students who do not have to deliberate what to wear each morning are able to invest their time in more productive ways, such as studying for tests or finishing homework. uniforms may stifle students’ self-expression, but there are many other ways to reveal one’s individuality at school. which revision would best strengthen the author’s main argument? the omission of the author’s point of view the addition of more general statements and ideas the correction of spelling and punctuation errors the inclusion of reputable sources and specific facts
  
• which representation of a transformation on a coordinate grid does not preserve congruence?