Graph the inequality.y ? x - 5
A.
B.
C.
D.
Answer: B
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For the polynomial, list each real zero and its multiplicity. Determine whether the graph crosses or touches the x-axis at each x -intercept.f(x) = 4(x2 + 4)(x2 + 3)2
A. -4, multiplicity 1, touches x-axis; -3, multiplicity 2, crosses x-axis
B. -4, multiplicity 1, crosses x-axis; -3, multiplicity 2, touches x-axis
C. No real zeros
D. 2, multiplicity 1, crosses x-axis; -2, multiplicity 1, crosses x-axis;, multiplicity 2, touches x-axis; -
, multiplicity 2, touches x-axis
Solve the problem.A group of campers recorded the daily low temperatures for the seven days of their trip. The temperatures they recorded are given in the table. Calculate the average daily low temperature for the seven-day period, rounded to the nearest integer.
A. 6°F B. 4°F C. 3°F D. 5°F
Rationalize the denominator and simplify. Assume that all variables represent positive real numbers.
A.
B.
C.
D.
Solve the problem.An object is thrown upward from the top of a building with an initial velocity of 48 feet per second. The height h of the object after t seconds is given by the quadratic equation
When will the object hit the ground?
A. 5 sec B. 160 sec C. 2 sec D. -2 sec