Use factoring to solve the equation.x2 - 6x + 9 = 25
A. 5, -5
B. -2, -8
C. 8, -2
D. 28
Answer: C
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The speed of sound in air changes with temperature. When the temperature is 39 degrees Fahrenheit, the speed of sound is 1095.2 feet per second. For each degree increase in temperature, the speed of sound increases by 1.1 feet per second.
?
A: Explain why the speed 
, in feet per second, is a linear function of the temperature 
, in degrees Fahrenheit.
?
B: Use a formula to express 
as a linear function of 
.
?
C: What temperature corresponds to a speed of sound of 1143.2 feet per second?
What will be an ideal response?
Find all natural number values of b that make the trinomial factorable.x2 + bx + 28
A. 11, 16, 29 B. 11, 16 C. 1, 14, 28 D. 16, 29
For the given functions f and g, find the requested composite function value.f(x) = 6x + 7, g(x) = 
;
Find (g ? f)(3).
A. - 
B. - 
C. 3
D. 
Solve. Round to the nearest thousandth, if necessary.ex + 8 = 2
A. {-7.307} B. {-7.084} C. {-5.697} D. {2.303}