Question 1 :
f(x) = a[(x + 9)2 – b][(x + 9)2 – c]
In the function above, a, b and c are constants. The graph of y = f(x) passes through the points (–7, 15) and (0, 299). To the nearest whole number, what is the value of f(–4) + f(–15)?
Answer :
Question 2 :
(x + 7) is a factor of the quadratic function y = f(x), and x = c is a positive zero of the function. If the minimum of the function is (63/8, k), what is the value of c?
Answer :
Question 3 :
For two acute angles, ∠A and ∠B, cos A = sin B. The measures, in degrees, of ∠A and ∠B are 13x + 10 and 48 + 3x, respectively. What is the value of x?
Answer :
Question 4 :
A baseball coach charges each athlete $150 for the first month and $95 for each additional month. Which of the following functions correctly represents the total revenue R(m), in dollars, for m months and n athletes, where m and n are positive integers?
A) R(m) = 95mn + 55
B) R(m) = 95mn + 150
C) R(m) = 95mn + 55n
D) R(m) = 95mn + 150n
Answer :
Question 5 :
y = –3x2 – 58
y = px - 46
In the given system of equations, p is a constant. The graphs of the equations in the given system intersect at exactly one point, (x, y) in the xy-plane. Which of the following could be the value of x?
A) -2
B) -4
C) 12
D) 16
Answer :
Question 6 :
f(x) = −7x + b
For the given function f(x), which of the following gives the equation for the function f(x) + 20, given that the point (−4, 0) lies on the graph of f(x) − 20?
A) f(x) = −7x − 28
B) f(x) = −7x − 8
C) f(x) = −7x + 8
D) f(x) = −7x + 12
Answer :
Question 7 :
The positive number a is 480% of the number b, and a is 70% of the number c. If c is p% of b, which of the following is closest to the value of p?
A) 267
B) 336
C) 550
D) 685
Answer :
Question 8 :
f(x) = ax – b
The exponential function given above passes through the points (c, 8) and (2c, 350). What is a possible value of b?
Answer :
Question 9 :
The table gives the volume of two similar cylinders. If the radius of cylinder A is 9 cm. What is the value of j – k?
Volume = πr2h
Surface Area = 2πr2 + 2πrh
Answer :
Question 10 :
For the function f, for every increase of 1/2 in the value of x, the value of f(x) increases by a factor of c, where c is a constant. Which of the following forms of function f displays the value of c as the base or coefficient?
A) f(x) = 56(2)6x
B) f(x) = 56(8)2x
C) f(x) = 56(64)x
D) f(x) = 56(4,096)x/2
Answer :
10 Hard Digital SAT Math Questions (Part - 1)
10 Hard Digital SAT Math Questions (Part - 2)
10 Hard Digital SAT Math Questions (Part - 3)
10 Hard Digital SAT Math Questions (Part - 4)
10 Hard Digital SAT Math Questions (Part - 5)
10 Hard Digital SAT Math Questions (Part - 6)
10 Hard Digital SAT Math Questions (Part - 7)
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