Mathematics

Question 1

1If h(x) = 2x² + 1, then h(8) = ___.

Medium

Your answer (fill in the blank)

Question 2

2If h(x) = 5x² + 2, then h(5) = ___.

Medium

Your answer (fill in the blank)

Question 3

3A mapping sends 3 → 18, 4 → 23, 5 → 28. Find the rule.

Hard

A. x → 6x + 0 B. x → x + 15 C. x → 3x + 5 D. x → 5x + 3

Question 4

4If h(x) = 4x² + 1, then h(5) = ___.

Medium

Your answer (fill in the blank)

Question 5

5If f(x) = x² − 1, then f(−3) equals

Medium

A. −10 B. −8 C. 10 D. 8

Question 6

6A mapping sends 3 → 19, 4 → 24, 5 → 29. Find the rule.

Hard

A. x → 4x + 5 B. x → 5x + 4 C. x → x + 16 D. x → 6x + 1

Question 7

7The rule for the mapping 1 → 4, 2 → 7, 3 → 10 is

Medium

A. x → 2x + 2 B. x → x + 3 C. x → 4x D. x → 3x + 1

Question 8

8The set of outputs of a function is the

Easy

A. range B. domain C. origin D. gradient

Question 9

9If g(x) = 5x, then g(0) = 0.

Easy

A. True B. False

Question 10

10If h(x) = 3x² + 6, then h(5) = ___.

Medium

Your answer (fill in the blank)