True or false?The indicated graph represents a function of x.
Answer the following statement true (T) or false (F)
True
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Give the domain and range of the relation.{(2, 7), (-1, -9), (-6, -4), (6, 0)}
A. domain: {-6, -1, 2, 6}; range: {-9, -4, 0, 7} B. domain: {2, 6, 7}; range: {-9, -6, -4, -1} C. domain: {-9, -6, -4, -1}; range: {2, 6, 7} D. domain: {-9, -4, 0, 7}; range: {-6, -1, 2, 6}
The following figure has perimeter, circumference, or area as indicated. Find the value of x. Use 3.14 as an approximation for ?.P = 56
A. 15 B. 10 C. 13 D. 20
Find a point-slope form for the line satisfying the conditions. When two points are given, use the first point in the point -slope form.Slope -9, passing through (-3, 7)
A. y + 7 = -9(x - 3) B. y - 7 = -9(x + 3) C. y - 7 = -9(x - 3) D. y + 7 = -9(x + 3)
Without graphing, determine whether the graph of the quadratic function opens up or opens down. Also, determine of the graph will be wider or narrower than the graph of y = x2.f(x) = 3x + 
x2 - 5
A. down, wider B. up, wider C. up, narrower D. down, narrower