Determine the domain and the range of the function.f(x) = -x2 - 6x - 8
A. domain: all real numbers
range: {y|y ? -1}
B. domain: {x|x ? -3}
range: {y|y ? 1}
C. domain: all real numbers
range: {y|y ? 1}
D. domain: {x|x ? -3}
range: {y|y ? -1}
Answer: C
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Use TRACE to find the value of y for the given value of x.y = x2 + 4x - 2 x = 0
A. -2 B. 4 C. 0 D. 2
Simplify the expression.
?
?
A. 
B. 0
C. ?
D. ?
E. already simplified
Find the probability.The table lists the eight possible blood types. Also given is the percent of the U.S. population having that type.
Let E be the event that a randomly selected person in the U. S. has type B blood. Let F be the event that a randomly selected person in the U. S. has RH-positive blood.Find P(F|E).
A. 0.818 B. 0.340 C. 0.720 D. 0.107
Solve the problem.A rancher in Calgary decides to build a silo inside his corral. The rectangular corral measures 
by 
and the silo's base is circular with a diameter of x meters. Find a polynomial for the remaining area of the corral (in square meters) after the silo is built.
A. 
m2
B. (286 - ?x2) m2
C. (286 - 2?x) m2
D. 
m2